2080297780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{305029}}^1$

素因数の和:305080

約数の個数: 48

約数和(自身を含む): 4919523840

約数和(自身を除く): 2839226060

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, 305029, 610058, 1220116, 1525145, 3050290, 3355319, 6100580, 6710638, 9455899, 13421276, 16776595, 18911798, 33553190, 37823596, 47279495, 67106380, 94558990, 104014889, 189117980, 208029778, 416059556, 520074445, 1040148890, 2080297780]

約数ペア:

[(1, 2080297780), (2, 1040148890), (4, 520074445), (5, 416059556), (10, 208029778), (11, 189117980), (20, 104014889), (22, 94558990), (31, 67106380), (44, 47279495), (55, 37823596), (62, 33553190), (110, 18911798), (124, 16776595), (155, 13421276), (220, 9455899), (310, 6710638), (341, 6100580), (620, 3355319), (682, 3050290), (1364, 1525145), (1705, 1220116), (3410, 610058), (6820, 305029)]