251849640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5657}}^1$

素因数の和:5731

約数の個数: 128

約数和(自身を含む): 879932160

約数和(自身を除く): 628082520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 84, 105, 106, 120, 140, 159, 168, 210, 212, 265, 280, 318, 371, 420, 424, 530, 636, 742, 795, 840, 1060, 1113, 1272, 1484, 1590, 1855, 2120, 2226, 2968, 3180, 3710, 4452, 5565, 5657, 6360, 7420, 8904, 11130, 11314, 14840, 16971, 22260, 22628, 28285, 33942, 39599, 44520, 45256, 56570, 67884, 79198, 84855, 113140, 118797, 135768, 158396, 169710, 197995, 226280, 237594, 299821, 316792, 339420, 395990, 475188, 593985, 599642, 678840, 791980, 899463, 950376, 1187970, 1199284, 1499105, 1583960, 1798926, 2098747, 2375940, 2398568, 2998210, 3597852, 4197494, 4497315, 4751880, 5996420, 6296241, 7195704, 8394988, 8994630, 10493735, 11992840, 12592482, 16789976, 17989260, 20987470, 25184964, 31481205, 35978520, 41974940, 50369928, 62962410, 83949880, 125924820, 251849640]

約数ペア:

[(1, 251849640), (2, 125924820), (3, 83949880), (4, 62962410), (5, 50369928), (6, 41974940), (7, 35978520), (8, 31481205), (10, 25184964), (12, 20987470), (14, 17989260), (15, 16789976), (20, 12592482), (21, 11992840), (24, 10493735), (28, 8994630), (30, 8394988), (35, 7195704), (40, 6296241), (42, 5996420), (53, 4751880), (56, 4497315), (60, 4197494), (70, 3597852), (84, 2998210), (105, 2398568), (106, 2375940), (120, 2098747), (140, 1798926), (159, 1583960), (168, 1499105), (210, 1199284), (212, 1187970), (265, 950376), (280, 899463), (318, 791980), (371, 678840), (420, 599642), (424, 593985), (530, 475188), (636, 395990), (742, 339420), (795, 316792), (840, 299821), (1060, 237594), (1113, 226280), (1272, 197995), (1484, 169710), (1590, 158396), (1855, 135768), (2120, 118797), (2226, 113140), (2968, 84855), (3180, 79198), (3710, 67884), (4452, 56570), (5565, 45256), (5657, 44520), (6360, 39599), (7420, 33942), (8904, 28285), (11130, 22628), (11314, 22260), (14840, 16971)]