7776890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 16342560

約数和(自身を除く): 8565670

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 61, 95, 110, 122, 190, 209, 305, 418, 610, 671, 1045, 1159, 1342, 2090, 2318, 3355, 3721, 5795, 6710, 7442, 11590, 12749, 18605, 25498, 37210, 40931, 63745, 70699, 81862, 127490, 141398, 204655, 353495, 409310, 706990, 777689, 1555378, 3888445, 7776890]

約数ペア:

[(1, 7776890), (2, 3888445), (5, 1555378), (10, 777689), (11, 706990), (19, 409310), (22, 353495), (38, 204655), (55, 141398), (61, 127490), (95, 81862), (110, 70699), (122, 63745), (190, 40931), (209, 37210), (305, 25498), (418, 18605), (610, 12749), (671, 11590), (1045, 7442), (1159, 6710), (1342, 5795), (2090, 3721), (2318, 3355)]