213873640

素因数分解:

$2^3\times 5^1\times {\mathrm{773}}^1\times {\mathrm{6917}}^1$

素因数の和:7701

約数の個数: 32

約数和(自身を含む): 481907880

約数和(自身を除く): 268034240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 773, 1546, 3092, 3865, 6184, 6917, 7730, 13834, 15460, 27668, 30920, 34585, 55336, 69170, 138340, 276680, 5346841, 10693682, 21387364, 26734205, 42774728, 53468410, 106936820, 213873640]

約数ペア:

[(1, 213873640), (2, 106936820), (4, 53468410), (5, 42774728), (8, 26734205), (10, 21387364), (20, 10693682), (40, 5346841), (773, 276680), (1546, 138340), (3092, 69170), (3865, 55336), (6184, 34585), (6917, 30920), (7730, 27668), (13834, 15460)]