306595580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1\times {\mathrm{991}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 666624000

約数和(自身を除く): 360028420

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 499, 620, 991, 998, 1982, 1996, 2495, 3964, 4955, 4990, 9910, 9980, 15469, 19820, 30721, 30938, 61442, 61876, 77345, 122884, 153605, 154690, 307210, 309380, 494509, 614420, 989018, 1978036, 2472545, 4945090, 9890180, 15329779, 30659558, 61319116, 76648895, 153297790, 306595580]

約数ペア:

[(1, 306595580), (2, 153297790), (4, 76648895), (5, 61319116), (10, 30659558), (20, 15329779), (31, 9890180), (62, 4945090), (124, 2472545), (155, 1978036), (310, 989018), (499, 614420), (620, 494509), (991, 309380), (998, 307210), (1982, 154690), (1996, 153605), (2495, 122884), (3964, 77345), (4955, 61876), (4990, 61442), (9910, 30938), (9980, 30721), (15469, 19820)]