2860290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:595

約数の個数: 48

約数和(自身を含む): 7573176

約数和(自身を除く): 4712886

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 521, 549, 610, 915, 1042, 1098, 1563, 1830, 2605, 2745, 3126, 4689, 5210, 5490, 7815, 9378, 15630, 23445, 31781, 46890, 63562, 95343, 158905, 190686, 286029, 317810, 476715, 572058, 953430, 1430145, 2860290]

約数ペア:

[(1, 2860290), (2, 1430145), (3, 953430), (5, 572058), (6, 476715), (9, 317810), (10, 286029), (15, 190686), (18, 158905), (30, 95343), (45, 63562), (61, 46890), (90, 31781), (122, 23445), (183, 15630), (305, 9378), (366, 7815), (521, 5490), (549, 5210), (610, 4689), (915, 3126), (1042, 2745), (1098, 2605), (1563, 1830)]