1402390

素因数分解:

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

素因数の和:109

約数の個数: 48

約数和(自身を含む): 2968560

約数和(自身を除く): 1566170

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 61, 95, 110, 121, 122, 190, 209, 242, 305, 418, 605, 610, 671, 1045, 1159, 1210, 1342, 2090, 2299, 2318, 3355, 4598, 5795, 6710, 7381, 11495, 11590, 12749, 14762, 22990, 25498, 36905, 63745, 73810, 127490, 140239, 280478, 701195, 1402390]

約数ペア:

[(1, 1402390), (2, 701195), (5, 280478), (10, 140239), (11, 127490), (19, 73810), (22, 63745), (38, 36905), (55, 25498), (61, 22990), (95, 14762), (110, 12749), (121, 11590), (122, 11495), (190, 7381), (209, 6710), (242, 5795), (305, 4598), (418, 3355), (605, 2318), (610, 2299), (671, 2090), (1045, 1342), (1159, 1210)]