7881465220

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{733}}^1\times {\mathrm{1277}}^1$

素因数の和:2440

約数の個数: 48

約数和(自身を含む): 16626033648

約数和(自身を除く): 8744568428

約数列:

[1, 2, 4, 5, 10, 20, 421, 733, 842, 1277, 1466, 1684, 2105, 2554, 2932, 3665, 4210, 5108, 6385, 7330, 8420, 12770, 14660, 25540, 308593, 537617, 617186, 936041, 1075234, 1234372, 1542965, 1872082, 2150468, 2688085, 3085930, 3744164, 4680205, 5376170, 6171860, 9360410, 10752340, 18720820, 394073261, 788146522, 1576293044, 1970366305, 3940732610, 7881465220]

約数ペア:

[(1, 7881465220), (2, 3940732610), (4, 1970366305), (5, 1576293044), (10, 788146522), (20, 394073261), (421, 18720820), (733, 10752340), (842, 9360410), (1277, 6171860), (1466, 5376170), (1684, 4680205), (2105, 3744164), (2554, 3085930), (2932, 2688085), (3665, 2150468), (4210, 1872082), (5108, 1542965), (6385, 1234372), (7330, 1075234), (8420, 936041), (12770, 617186), (14660, 537617), (25540, 308593)]