616280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 1658880

約数和(自身を除く): 1042600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 71, 124, 140, 142, 155, 217, 248, 280, 284, 310, 355, 434, 497, 568, 620, 710, 868, 994, 1085, 1240, 1420, 1736, 1988, 2170, 2201, 2485, 2840, 3976, 4340, 4402, 4970, 8680, 8804, 9940, 11005, 15407, 17608, 19880, 22010, 30814, 44020, 61628, 77035, 88040, 123256, 154070, 308140, 616280]

約数ペア:

[(1, 616280), (2, 308140), (4, 154070), (5, 123256), (7, 88040), (8, 77035), (10, 61628), (14, 44020), (20, 30814), (28, 22010), (31, 19880), (35, 17608), (40, 15407), (56, 11005), (62, 9940), (70, 8804), (71, 8680), (124, 4970), (140, 4402), (142, 4340), (155, 3976), (217, 2840), (248, 2485), (280, 2201), (284, 2170), (310, 1988), (355, 1736), (434, 1420), (497, 1240), (568, 1085), (620, 994), (710, 868)]