87500420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{5531}}^1$

素因数の和:5660

約数の個数: 48

約数和(自身を含む): 211897728

約数和(自身を除く): 124397308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 2260, 3164, 3955, 5531, 7910, 11062, 15820, 22124, 27655, 38717, 55310, 77434, 110620, 154868, 193585, 387170, 625003, 774340, 1250006, 2500012, 3125015, 4375021, 6250030, 8750042, 12500060, 17500084, 21875105, 43750210, 87500420]

約数ペア:

[(1, 87500420), (2, 43750210), (4, 21875105), (5, 17500084), (7, 12500060), (10, 8750042), (14, 6250030), (20, 4375021), (28, 3125015), (35, 2500012), (70, 1250006), (113, 774340), (140, 625003), (226, 387170), (452, 193585), (565, 154868), (791, 110620), (1130, 77434), (1582, 55310), (2260, 38717), (3164, 27655), (3955, 22124), (5531, 15820), (7910, 11062)]