858747560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{739}}^1$

素因数の和:919

約数の個数: 128

約数和(自身を含む): 2237760000

約数和(自身を除く): 1379012440

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 139, 152, 190, 209, 220, 278, 380, 418, 440, 556, 695, 739, 760, 836, 1045, 1112, 1390, 1478, 1529, 1672, 2090, 2641, 2780, 2956, 3058, 3695, 4180, 5282, 5560, 5912, 6116, 7390, 7645, 8129, 8360, 10564, 12232, 13205, 14041, 14780, 15290, 16258, 21128, 26410, 28082, 29051, 29560, 30580, 32516, 40645, 52820, 56164, 58102, 61160, 65032, 70205, 81290, 102721, 105640, 112328, 116204, 140410, 145255, 154451, 162580, 205442, 232408, 280820, 290510, 308902, 325160, 410884, 513605, 561640, 581020, 617804, 772255, 821768, 1027210, 1129931, 1162040, 1235608, 1544510, 1951699, 2054420, 2259862, 3089020, 3903398, 4108840, 4519724, 5649655, 6178040, 7806796, 9039448, 9758495, 11299310, 15613592, 19516990, 21468689, 22598620, 39033980, 42937378, 45197240, 78067960, 85874756, 107343445, 171749512, 214686890, 429373780, 858747560]

約数ペア:

[(1, 858747560), (2, 429373780), (4, 214686890), (5, 171749512), (8, 107343445), (10, 85874756), (11, 78067960), (19, 45197240), (20, 42937378), (22, 39033980), (38, 22598620), (40, 21468689), (44, 19516990), (55, 15613592), (76, 11299310), (88, 9758495), (95, 9039448), (110, 7806796), (139, 6178040), (152, 5649655), (190, 4519724), (209, 4108840), (220, 3903398), (278, 3089020), (380, 2259862), (418, 2054420), (440, 1951699), (556, 1544510), (695, 1235608), (739, 1162040), (760, 1129931), (836, 1027210), (1045, 821768), (1112, 772255), (1390, 617804), (1478, 581020), (1529, 561640), (1672, 513605), (2090, 410884), (2641, 325160), (2780, 308902), (2956, 290510), (3058, 280820), (3695, 232408), (4180, 205442), (5282, 162580), (5560, 154451), (5912, 145255), (6116, 140410), (7390, 116204), (7645, 112328), (8129, 105640), (8360, 102721), (10564, 81290), (12232, 70205), (13205, 65032), (14041, 61160), (14780, 58102), (15290, 56164), (16258, 52820), (21128, 40645), (26410, 32516), (28082, 30580), (29051, 29560)]