128216440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:541

約数の個数: 96

約数和(自身を含む): 323190000

約数和(自身を除く): 194973560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 121, 220, 236, 242, 295, 440, 449, 472, 484, 590, 605, 649, 898, 968, 1180, 1210, 1298, 1796, 2245, 2360, 2420, 2596, 3245, 3592, 4490, 4840, 4939, 5192, 6490, 7139, 8980, 9878, 12980, 14278, 17960, 19756, 24695, 25960, 26491, 28556, 35695, 39512, 49390, 52982, 54329, 57112, 71390, 98780, 105964, 108658, 132455, 142780, 197560, 211928, 217316, 264910, 271645, 285560, 291401, 434632, 529820, 543290, 582802, 1059640, 1086580, 1165604, 1457005, 2173160, 2331208, 2914010, 3205411, 5828020, 6410822, 11656040, 12821644, 16027055, 25643288, 32054110, 64108220, 128216440]

約数ペア:

[(1, 128216440), (2, 64108220), (4, 32054110), (5, 25643288), (8, 16027055), (10, 12821644), (11, 11656040), (20, 6410822), (22, 5828020), (40, 3205411), (44, 2914010), (55, 2331208), (59, 2173160), (88, 1457005), (110, 1165604), (118, 1086580), (121, 1059640), (220, 582802), (236, 543290), (242, 529820), (295, 434632), (440, 291401), (449, 285560), (472, 271645), (484, 264910), (590, 217316), (605, 211928), (649, 197560), (898, 142780), (968, 132455), (1180, 108658), (1210, 105964), (1298, 98780), (1796, 71390), (2245, 57112), (2360, 54329), (2420, 52982), (2596, 49390), (3245, 39512), (3592, 35695), (4490, 28556), (4840, 26491), (4939, 25960), (5192, 24695), (6490, 19756), (7139, 17960), (8980, 14278), (9878, 12980)]