2017821870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{521401}}^1$

素因数の和:521457

約数の個数: 48

約数和(自身を含む): 5368354992

約数和(自身を除く): 3350533122

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 521401, 1042802, 1564203, 2607005, 3128406, 4692609, 5214010, 7821015, 9385218, 15642030, 22420243, 23463045, 44840486, 46926090, 67260729, 112101215, 134521458, 201782187, 224202430, 336303645, 403564374, 672607290, 1008910935, 2017821870]

約数ペア:

[(1, 2017821870), (2, 1008910935), (3, 672607290), (5, 403564374), (6, 336303645), (9, 224202430), (10, 201782187), (15, 134521458), (18, 112101215), (30, 67260729), (43, 46926090), (45, 44840486), (86, 23463045), (90, 22420243), (129, 15642030), (215, 9385218), (258, 7821015), (387, 5214010), (430, 4692609), (645, 3128406), (774, 2607005), (1290, 1564203), (1935, 1042802), (3870, 521401)]