938697980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{137639}}^1$

素因数の和:137690

約数の個数: 48

約数和(自身を含む): 2219857920

約数和(自身を除く): 1281159940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 137639, 275278, 550556, 688195, 1376390, 1514029, 2752780, 3028058, 4266809, 6056116, 7570145, 8533618, 15140290, 17067236, 21334045, 30280580, 42668090, 46934899, 85336180, 93869798, 187739596, 234674495, 469348990, 938697980]

約数ペア:

[(1, 938697980), (2, 469348990), (4, 234674495), (5, 187739596), (10, 93869798), (11, 85336180), (20, 46934899), (22, 42668090), (31, 30280580), (44, 21334045), (55, 17067236), (62, 15140290), (110, 8533618), (124, 7570145), (155, 6056116), (220, 4266809), (310, 3028058), (341, 2752780), (620, 1514029), (682, 1376390), (1364, 688195), (1705, 550556), (3410, 275278), (6820, 137639)]