2017289725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1\times {\mathrm{383}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 2776965120

約数和(自身を除く): 759675395

約数列:

[1, 5, 11, 25, 55, 107, 179, 275, 383, 535, 895, 1177, 1915, 1969, 2675, 4213, 4475, 5885, 9575, 9845, 19153, 21065, 29425, 40981, 49225, 68557, 95765, 105325, 204905, 210683, 342785, 450791, 478825, 754127, 1024525, 1053415, 1713925, 2253955, 3770635, 5267075, 7335599, 11269775, 18853175, 36677995, 80691589, 183389975, 403457945, 2017289725]

約数ペア:

[(1, 2017289725), (5, 403457945), (11, 183389975), (25, 80691589), (55, 36677995), (107, 18853175), (179, 11269775), (275, 7335599), (383, 5267075), (535, 3770635), (895, 2253955), (1177, 1713925), (1915, 1053415), (1969, 1024525), (2675, 754127), (4213, 478825), (4475, 450791), (5885, 342785), (9575, 210683), (9845, 204905), (19153, 105325), (21065, 95765), (29425, 68557), (40981, 49225)]