856837520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:710

約数の個数: 240

約数和(自身を含む): 2613689856

約数和(自身を除く): 1756852336

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 49, 55, 56, 62, 70, 77, 80, 88, 98, 110, 112, 124, 140, 154, 155, 176, 196, 217, 220, 245, 248, 280, 308, 310, 341, 385, 392, 434, 440, 490, 496, 539, 560, 616, 620, 641, 682, 770, 784, 868, 880, 980, 1078, 1085, 1232, 1240, 1282, 1364, 1519, 1540, 1705, 1736, 1960, 2156, 2170, 2387, 2480, 2564, 2695, 2728, 3038, 3080, 3205, 3410, 3472, 3920, 4312, 4340, 4487, 4774, 5128, 5390, 5456, 6076, 6160, 6410, 6820, 7051, 7595, 8624, 8680, 8974, 9548, 10256, 10780, 11935, 12152, 12820, 13640, 14102, 15190, 16709, 17360, 17948, 19096, 19871, 21560, 22435, 23870, 24304, 25640, 27280, 28204, 30380, 31409, 33418, 35255, 35896, 38192, 39742, 43120, 44870, 47740, 49357, 51280, 56408, 60760, 62818, 66836, 70510, 71792, 79484, 83545, 89740, 95480, 98714, 99355, 112816, 121520, 125636, 133672, 139097, 141020, 157045, 158968, 167090, 179480, 190960, 197428, 198710, 218581, 246785, 251272, 267344, 278194, 282040, 314090, 317936, 334180, 345499, 358960, 394856, 397420, 437162, 493570, 502544, 556388, 564080, 628180, 668360, 690998, 695485, 789712, 794840, 874324, 973679, 987140, 1092905, 1112776, 1256360, 1336720, 1381996, 1390970, 1530067, 1589680, 1727495, 1748648, 1947358, 1974280, 2185810, 2225552, 2512720, 2763992, 2781940, 3060134, 3454990, 3497296, 3894716, 3948560, 4371620, 4868395, 5527984, 5563880, 6120268, 6909980, 7650335, 7789432, 8743240, 9736790, 10710469, 11127760, 12240536, 13819960, 15300670, 15578864, 17486480, 19473580, 21420938, 24481072, 27639920, 30601340, 38947160, 42841876, 53552345, 61202680, 77894320, 85683752, 107104690, 122405360, 171367504, 214209380, 428418760, 856837520]

約数ペア:

[(1, 856837520), (2, 428418760), (4, 214209380), (5, 171367504), (7, 122405360), (8, 107104690), (10, 85683752), (11, 77894320), (14, 61202680), (16, 53552345), (20, 42841876), (22, 38947160), (28, 30601340), (31, 27639920), (35, 24481072), (40, 21420938), (44, 19473580), (49, 17486480), (55, 15578864), (56, 15300670), (62, 13819960), (70, 12240536), (77, 11127760), (80, 10710469), (88, 9736790), (98, 8743240), (110, 7789432), (112, 7650335), (124, 6909980), (140, 6120268), (154, 5563880), (155, 5527984), (176, 4868395), (196, 4371620), (217, 3948560), (220, 3894716), (245, 3497296), (248, 3454990), (280, 3060134), (308, 2781940), (310, 2763992), (341, 2512720), (385, 2225552), (392, 2185810), (434, 1974280), (440, 1947358), (490, 1748648), (496, 1727495), (539, 1589680), (560, 1530067), (616, 1390970), (620, 1381996), (641, 1336720), (682, 1256360), (770, 1112776), (784, 1092905), (868, 987140), (880, 973679), (980, 874324), (1078, 794840), (1085, 789712), (1232, 695485), (1240, 690998), (1282, 668360), (1364, 628180), (1519, 564080), (1540, 556388), (1705, 502544), (1736, 493570), (1960, 437162), (2156, 397420), (2170, 394856), (2387, 358960), (2480, 345499), (2564, 334180), (2695, 317936), (2728, 314090), (3038, 282040), (3080, 278194), (3205, 267344), (3410, 251272), (3472, 246785), (3920, 218581), (4312, 198710), (4340, 197428), (4487, 190960), (4774, 179480), (5128, 167090), (5390, 158968), (5456, 157045), (6076, 141020), (6160, 139097), (6410, 133672), (6820, 125636), (7051, 121520), (7595, 112816), (8624, 99355), (8680, 98714), (8974, 95480), (9548, 89740), (10256, 83545), (10780, 79484), (11935, 71792), (12152, 70510), (12820, 66836), (13640, 62818), (14102, 60760), (15190, 56408), (16709, 51280), (17360, 49357), (17948, 47740), (19096, 44870), (19871, 43120), (21560, 39742), (22435, 38192), (23870, 35896), (24304, 35255), (25640, 33418), (27280, 31409), (28204, 30380)]