306758840

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{67867}}^1$

素因数の和:67991

約数の個数: 32

約数和(自身を含む): 696325680

約数和(自身を除く): 389566840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 67867, 135734, 271468, 339335, 542936, 678670, 1357340, 2714680, 7668971, 15337942, 30675884, 38344855, 61351768, 76689710, 153379420, 306758840]

約数ペア:

[(1, 306758840), (2, 153379420), (4, 76689710), (5, 61351768), (8, 38344855), (10, 30675884), (20, 15337942), (40, 7668971), (113, 2714680), (226, 1357340), (452, 678670), (565, 542936), (904, 339335), (1130, 271468), (2260, 135734), (4520, 67867)]