1298913220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31573}}^1$

素因数の和:31621

約数の個数: 72

約数和(自身を含む): 3174702552

約数和(自身を除く): 1875789332

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 374, 484, 605, 748, 935, 1210, 1870, 2057, 2420, 3740, 4114, 8228, 10285, 20570, 31573, 41140, 63146, 126292, 157865, 315730, 347303, 536741, 631460, 694606, 1073482, 1389212, 1736515, 2146964, 2683705, 3473030, 3820333, 5367410, 5904151, 6946060, 7640666, 10734820, 11808302, 15281332, 19101665, 23616604, 29520755, 38203330, 59041510, 64945661, 76406660, 118083020, 129891322, 259782644, 324728305, 649456610, 1298913220]

約数ペア:

[(1, 1298913220), (2, 649456610), (4, 324728305), (5, 259782644), (10, 129891322), (11, 118083020), (17, 76406660), (20, 64945661), (22, 59041510), (34, 38203330), (44, 29520755), (55, 23616604), (68, 19101665), (85, 15281332), (110, 11808302), (121, 10734820), (170, 7640666), (187, 6946060), (220, 5904151), (242, 5367410), (340, 3820333), (374, 3473030), (484, 2683705), (605, 2146964), (748, 1736515), (935, 1389212), (1210, 1073482), (1870, 694606), (2057, 631460), (2420, 536741), (3740, 347303), (4114, 315730), (8228, 157865), (10285, 126292), (20570, 63146), (31573, 41140)]