1538989420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1\times {\mathrm{3541}}^1$

素因数の和:4282

約数の個数: 48

約数和(自身を含む): 3341834496

約数和(自身を除く): 1802845076

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 701, 1402, 2804, 3505, 3541, 7010, 7082, 14020, 14164, 17705, 21731, 35410, 43462, 70820, 86924, 108655, 109771, 217310, 219542, 434620, 439084, 548855, 1097710, 2195420, 2482241, 4964482, 9928964, 12411205, 24822410, 49644820, 76949471, 153898942, 307797884, 384747355, 769494710, 1538989420]

約数ペア:

[(1, 1538989420), (2, 769494710), (4, 384747355), (5, 307797884), (10, 153898942), (20, 76949471), (31, 49644820), (62, 24822410), (124, 12411205), (155, 9928964), (310, 4964482), (620, 2482241), (701, 2195420), (1402, 1097710), (2804, 548855), (3505, 439084), (3541, 434620), (7010, 219542), (7082, 217310), (14020, 109771), (14164, 108655), (17705, 86924), (21731, 70820), (35410, 43462)]