128435500

素因数分解:

$2^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{4211}}^1$

素因数の和:4291

約数の個数: 48

約数和(自身を含む): 285169248

約数和(自身を除く): 156733748

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 244, 250, 305, 500, 610, 1220, 1525, 3050, 4211, 6100, 7625, 8422, 15250, 16844, 21055, 30500, 42110, 84220, 105275, 210550, 256871, 421100, 513742, 526375, 1027484, 1052750, 1284355, 2105500, 2568710, 5137420, 6421775, 12843550, 25687100, 32108875, 64217750, 128435500]

約数ペア:

[(1, 128435500), (2, 64217750), (4, 32108875), (5, 25687100), (10, 12843550), (20, 6421775), (25, 5137420), (50, 2568710), (61, 2105500), (100, 1284355), (122, 1052750), (125, 1027484), (244, 526375), (250, 513742), (305, 421100), (500, 256871), (610, 210550), (1220, 105275), (1525, 84220), (3050, 42110), (4211, 30500), (6100, 21055), (7625, 16844), (8422, 15250)]