401497740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:613

約数の個数: 288

約数和(自身を含む): 1515171840

約数和(自身を除く): 1113674100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 31, 35, 36, 38, 42, 45, 57, 60, 62, 63, 70, 76, 84, 90, 93, 95, 105, 114, 124, 126, 133, 140, 155, 171, 180, 186, 190, 210, 217, 228, 252, 266, 279, 285, 310, 315, 342, 372, 380, 399, 420, 434, 465, 532, 541, 558, 570, 589, 620, 630, 651, 665, 684, 798, 855, 868, 930, 1082, 1085, 1116, 1140, 1178, 1197, 1260, 1302, 1330, 1395, 1596, 1623, 1710, 1767, 1860, 1953, 1995, 2164, 2170, 2356, 2394, 2604, 2660, 2705, 2790, 2945, 3246, 3255, 3420, 3534, 3787, 3906, 3990, 4123, 4340, 4788, 4869, 5301, 5410, 5580, 5890, 5985, 6492, 6510, 7068, 7574, 7812, 7980, 8115, 8246, 8835, 9738, 9765, 10279, 10602, 10820, 11361, 11780, 11970, 12369, 13020, 15148, 16230, 16492, 16771, 17670, 18935, 19476, 19530, 20558, 20615, 21204, 22722, 23940, 24345, 24738, 26505, 30837, 32460, 33542, 34083, 35340, 37107, 37870, 39060, 41116, 41230, 45444, 48690, 49476, 50313, 51395, 53010, 56805, 61674, 61845, 67084, 68166, 71953, 74214, 75740, 82460, 83855, 92511, 97380, 100626, 102790, 106020, 113610, 117397, 123348, 123690, 136332, 143906, 148428, 150939, 154185, 167710, 170415, 185022, 185535, 201252, 205580, 215859, 227220, 234794, 247380, 251565, 287812, 301878, 308370, 318649, 335420, 340830, 352191, 359765, 370044, 371070, 431718, 462555, 469588, 503130, 586985, 603756, 616740, 637298, 647577, 681660, 704382, 719530, 742140, 754695, 863436, 925110, 955947, 1006260, 1056573, 1079295, 1173970, 1274596, 1295154, 1408764, 1439060, 1509390, 1593245, 1760955, 1850220, 1911894, 2113146, 2158590, 2230543, 2347940, 2590308, 2867841, 3018780, 3186490, 3237885, 3521910, 3823788, 4226292, 4317180, 4461086, 4779735, 5282865, 5735682, 6372980, 6475770, 6691629, 7043820, 8922172, 9559470, 10565730, 11152715, 11471364, 12951540, 13383258, 14339205, 19118940, 20074887, 21131460, 22305430, 26766516, 28678410, 33458145, 40149774, 44610860, 57356820, 66916290, 80299548, 100374435, 133832580, 200748870, 401497740]

約数ペア:

[(1, 401497740), (2, 200748870), (3, 133832580), (4, 100374435), (5, 80299548), (6, 66916290), (7, 57356820), (9, 44610860), (10, 40149774), (12, 33458145), (14, 28678410), (15, 26766516), (18, 22305430), (19, 21131460), (20, 20074887), (21, 19118940), (28, 14339205), (30, 13383258), (31, 12951540), (35, 11471364), (36, 11152715), (38, 10565730), (42, 9559470), (45, 8922172), (57, 7043820), (60, 6691629), (62, 6475770), (63, 6372980), (70, 5735682), (76, 5282865), (84, 4779735), (90, 4461086), (93, 4317180), (95, 4226292), (105, 3823788), (114, 3521910), (124, 3237885), (126, 3186490), (133, 3018780), (140, 2867841), (155, 2590308), (171, 2347940), (180, 2230543), (186, 2158590), (190, 2113146), (210, 1911894), (217, 1850220), (228, 1760955), (252, 1593245), (266, 1509390), (279, 1439060), (285, 1408764), (310, 1295154), (315, 1274596), (342, 1173970), (372, 1079295), (380, 1056573), (399, 1006260), (420, 955947), (434, 925110), (465, 863436), (532, 754695), (541, 742140), (558, 719530), (570, 704382), (589, 681660), (620, 647577), (630, 637298), (651, 616740), (665, 603756), (684, 586985), (798, 503130), (855, 469588), (868, 462555), (930, 431718), (1082, 371070), (1085, 370044), (1116, 359765), (1140, 352191), (1178, 340830), (1197, 335420), (1260, 318649), (1302, 308370), (1330, 301878), (1395, 287812), (1596, 251565), (1623, 247380), (1710, 234794), (1767, 227220), (1860, 215859), (1953, 205580), (1995, 201252), (2164, 185535), (2170, 185022), (2356, 170415), (2394, 167710), (2604, 154185), (2660, 150939), (2705, 148428), (2790, 143906), (2945, 136332), (3246, 123690), (3255, 123348), (3420, 117397), (3534, 113610), (3787, 106020), (3906, 102790), (3990, 100626), (4123, 97380), (4340, 92511), (4788, 83855), (4869, 82460), (5301, 75740), (5410, 74214), (5580, 71953), (5890, 68166), (5985, 67084), (6492, 61845), (6510, 61674), (7068, 56805), (7574, 53010), (7812, 51395), (7980, 50313), (8115, 49476), (8246, 48690), (8835, 45444), (9738, 41230), (9765, 41116), (10279, 39060), (10602, 37870), (10820, 37107), (11361, 35340), (11780, 34083), (11970, 33542), (12369, 32460), (13020, 30837), (15148, 26505), (16230, 24738), (16492, 24345), (16771, 23940), (17670, 22722), (18935, 21204), (19476, 20615), (19530, 20558)]