868045340

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1\times {\mathrm{1019}}^1$

素因数の和:1442

約数の個数: 48

約数和(自身を含む): 1842462720

約数和(自身を除く): 974417380

約数列:

[1, 2, 4, 5, 10, 20, 191, 223, 382, 446, 764, 892, 955, 1019, 1115, 1910, 2038, 2230, 3820, 4076, 4460, 5095, 10190, 20380, 42593, 85186, 170372, 194629, 212965, 227237, 389258, 425930, 454474, 778516, 851860, 908948, 973145, 1136185, 1946290, 2272370, 3892580, 4544740, 43402267, 86804534, 173609068, 217011335, 434022670, 868045340]

約数ペア:

[(1, 868045340), (2, 434022670), (4, 217011335), (5, 173609068), (10, 86804534), (20, 43402267), (191, 4544740), (223, 3892580), (382, 2272370), (446, 1946290), (764, 1136185), (892, 973145), (955, 908948), (1019, 851860), (1115, 778516), (1910, 454474), (2038, 425930), (2230, 389258), (3820, 227237), (4076, 212965), (4460, 194629), (5095, 170372), (10190, 85186), (20380, 42593)]