421177380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1381}}^1$

素因数の和:1446

約数の個数: 192

約数和(自身を含む): 1404200448

約数和(自身を除く): 983023068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 23, 26, 30, 34, 39, 46, 51, 52, 60, 65, 68, 69, 78, 85, 92, 102, 115, 130, 138, 156, 170, 195, 204, 221, 230, 255, 260, 276, 299, 340, 345, 390, 391, 442, 460, 510, 598, 663, 690, 780, 782, 884, 897, 1020, 1105, 1173, 1196, 1326, 1380, 1381, 1495, 1564, 1794, 1955, 2210, 2346, 2652, 2762, 2990, 3315, 3588, 3910, 4143, 4420, 4485, 4692, 5083, 5524, 5865, 5980, 6630, 6905, 7820, 8286, 8970, 10166, 11730, 13260, 13810, 15249, 16572, 17940, 17953, 20332, 20715, 23460, 23477, 25415, 27620, 30498, 31763, 35906, 41430, 46954, 50830, 53859, 60996, 63526, 70431, 71812, 76245, 82860, 89765, 93908, 95289, 101660, 107718, 117385, 127052, 140862, 152490, 158815, 179530, 190578, 215436, 234770, 269295, 281724, 304980, 305201, 317630, 352155, 359060, 381156, 412919, 469540, 476445, 538590, 539971, 610402, 635260, 704310, 825838, 915603, 952890, 1077180, 1079942, 1220804, 1238757, 1408620, 1526005, 1619913, 1651676, 1831206, 1905780, 2064595, 2159884, 2477514, 2699855, 3052010, 3239826, 3662412, 4129190, 4578015, 4955028, 5399710, 6104020, 6193785, 6479652, 7019623, 8099565, 8258380, 9156030, 10799420, 12387570, 14039246, 16199130, 18312060, 21058869, 24775140, 28078492, 32398260, 35098115, 42117738, 70196230, 84235476, 105294345, 140392460, 210588690, 421177380]

約数ペア:

[(1, 421177380), (2, 210588690), (3, 140392460), (4, 105294345), (5, 84235476), (6, 70196230), (10, 42117738), (12, 35098115), (13, 32398260), (15, 28078492), (17, 24775140), (20, 21058869), (23, 18312060), (26, 16199130), (30, 14039246), (34, 12387570), (39, 10799420), (46, 9156030), (51, 8258380), (52, 8099565), (60, 7019623), (65, 6479652), (68, 6193785), (69, 6104020), (78, 5399710), (85, 4955028), (92, 4578015), (102, 4129190), (115, 3662412), (130, 3239826), (138, 3052010), (156, 2699855), (170, 2477514), (195, 2159884), (204, 2064595), (221, 1905780), (230, 1831206), (255, 1651676), (260, 1619913), (276, 1526005), (299, 1408620), (340, 1238757), (345, 1220804), (390, 1079942), (391, 1077180), (442, 952890), (460, 915603), (510, 825838), (598, 704310), (663, 635260), (690, 610402), (780, 539971), (782, 538590), (884, 476445), (897, 469540), (1020, 412919), (1105, 381156), (1173, 359060), (1196, 352155), (1326, 317630), (1380, 305201), (1381, 304980), (1495, 281724), (1564, 269295), (1794, 234770), (1955, 215436), (2210, 190578), (2346, 179530), (2652, 158815), (2762, 152490), (2990, 140862), (3315, 127052), (3588, 117385), (3910, 107718), (4143, 101660), (4420, 95289), (4485, 93908), (4692, 89765), (5083, 82860), (5524, 76245), (5865, 71812), (5980, 70431), (6630, 63526), (6905, 60996), (7820, 53859), (8286, 50830), (8970, 46954), (10166, 41430), (11730, 35906), (13260, 31763), (13810, 30498), (15249, 27620), (16572, 25415), (17940, 23477), (17953, 23460), (20332, 20715)]