2178701690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1021}}^2$

素因数の和:2079

約数の個数: 48

約数和(自身を含む): 4507760160

約数和(自身を除く): 2329058470

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1021, 1045, 2042, 2090, 5105, 10210, 11231, 19399, 22462, 38798, 56155, 96995, 112310, 193990, 213389, 426778, 1042441, 1066945, 2084882, 2133890, 5212205, 10424410, 11466851, 19806379, 22933702, 39612758, 57334255, 99031895, 114668510, 198063790, 217870169, 435740338, 1089350845, 2178701690]

約数ペア:

[(1, 2178701690), (2, 1089350845), (5, 435740338), (10, 217870169), (11, 198063790), (19, 114668510), (22, 99031895), (38, 57334255), (55, 39612758), (95, 22933702), (110, 19806379), (190, 11466851), (209, 10424410), (418, 5212205), (1021, 2133890), (1045, 2084882), (2042, 1066945), (2090, 1042441), (5105, 426778), (10210, 213389), (11231, 193990), (19399, 112310), (22462, 96995), (38798, 56155)]