65758070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 139594752

約数和(自身を除く): 73836682

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 101, 131, 142, 202, 262, 355, 497, 505, 655, 707, 710, 917, 994, 1010, 1310, 1414, 1834, 2485, 3535, 4585, 4970, 7070, 7171, 9170, 9301, 13231, 14342, 18602, 26462, 35855, 46505, 50197, 65107, 66155, 71710, 92617, 93010, 100394, 130214, 132310, 185234, 250985, 325535, 463085, 501970, 651070, 926170, 939401, 1878802, 4697005, 6575807, 9394010, 13151614, 32879035, 65758070]

約数ペア:

[(1, 65758070), (2, 32879035), (5, 13151614), (7, 9394010), (10, 6575807), (14, 4697005), (35, 1878802), (70, 939401), (71, 926170), (101, 651070), (131, 501970), (142, 463085), (202, 325535), (262, 250985), (355, 185234), (497, 132310), (505, 130214), (655, 100394), (707, 93010), (710, 92617), (917, 71710), (994, 66155), (1010, 65107), (1310, 50197), (1414, 46505), (1834, 35855), (2485, 26462), (3535, 18602), (4585, 14342), (4970, 13231), (7070, 9301), (7171, 9170)]