7218171940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{83563}}^1$

素因数の和:84196

約数の個数: 48

約数和(自身を含む): 17351897472

約数和(自身を除く): 10133725532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 617, 1234, 2468, 3085, 4319, 6170, 8638, 12340, 17276, 21595, 43190, 83563, 86380, 167126, 334252, 417815, 584941, 835630, 1169882, 1671260, 2339764, 2924705, 5849410, 11698820, 51558371, 103116742, 206233484, 257791855, 360908597, 515583710, 721817194, 1031167420, 1443634388, 1804542985, 3609085970, 7218171940]

約数ペア:

[(1, 7218171940), (2, 3609085970), (4, 1804542985), (5, 1443634388), (7, 1031167420), (10, 721817194), (14, 515583710), (20, 360908597), (28, 257791855), (35, 206233484), (70, 103116742), (140, 51558371), (617, 11698820), (1234, 5849410), (2468, 2924705), (3085, 2339764), (4319, 1671260), (6170, 1169882), (8638, 835630), (12340, 584941), (17276, 417815), (21595, 334252), (43190, 167126), (83563, 86380)]