2273840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:717

約数の個数: 40

約数和(自身を含む): 5417808

約数和(自身を除く): 3143968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 661, 688, 860, 1322, 1720, 2644, 3305, 3440, 5288, 6610, 10576, 13220, 26440, 28423, 52880, 56846, 113692, 142115, 227384, 284230, 454768, 568460, 1136920, 2273840]

約数ペア:

[(1, 2273840), (2, 1136920), (4, 568460), (5, 454768), (8, 284230), (10, 227384), (16, 142115), (20, 113692), (40, 56846), (43, 52880), (80, 28423), (86, 26440), (172, 13220), (215, 10576), (344, 6610), (430, 5288), (661, 3440), (688, 3305), (860, 2644), (1322, 1720)]