1780455580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1129}}^1\times {\mathrm{2719}}^1$

素因数の和:3886

約数の個数: 48

約数和(自身を含む): 3872736000

約数和(自身を除く): 2092280420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1129, 2258, 2719, 4516, 5438, 5645, 10876, 11290, 13595, 22580, 27190, 32741, 54380, 65482, 78851, 130964, 157702, 163705, 315404, 327410, 394255, 654820, 788510, 1577020, 3069751, 6139502, 12279004, 15348755, 30697510, 61395020, 89022779, 178045558, 356091116, 445113895, 890227790, 1780455580]

約数ペア:

[(1, 1780455580), (2, 890227790), (4, 445113895), (5, 356091116), (10, 178045558), (20, 89022779), (29, 61395020), (58, 30697510), (116, 15348755), (145, 12279004), (290, 6139502), (580, 3069751), (1129, 1577020), (2258, 788510), (2719, 654820), (4516, 394255), (5438, 327410), (5645, 315404), (10876, 163705), (11290, 157702), (13595, 130964), (22580, 78851), (27190, 65482), (32741, 54380)]