686531080

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{2999}}^1$

素因数の和:3166

約数の個数: 64

約数和(自身を含む): 1587600000

約数和(自身を除く): 901068920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 97, 118, 194, 236, 295, 388, 472, 485, 590, 776, 970, 1180, 1940, 2360, 2999, 3880, 5723, 5998, 11446, 11996, 14995, 22892, 23992, 28615, 29990, 45784, 57230, 59980, 114460, 119960, 176941, 228920, 290903, 353882, 581806, 707764, 884705, 1163612, 1415528, 1454515, 1769410, 2327224, 2909030, 3538820, 5818060, 7077640, 11636120, 17163277, 34326554, 68653108, 85816385, 137306216, 171632770, 343265540, 686531080]

約数ペア:

[(1, 686531080), (2, 343265540), (4, 171632770), (5, 137306216), (8, 85816385), (10, 68653108), (20, 34326554), (40, 17163277), (59, 11636120), (97, 7077640), (118, 5818060), (194, 3538820), (236, 2909030), (295, 2327224), (388, 1769410), (472, 1454515), (485, 1415528), (590, 1163612), (776, 884705), (970, 707764), (1180, 581806), (1940, 353882), (2360, 290903), (2999, 228920), (3880, 176941), (5723, 119960), (5998, 114460), (11446, 59980), (11996, 57230), (14995, 45784), (22892, 29990), (23992, 28615)]