20149874750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^2\times {\mathrm{278891}}^1$

素因数の和:278942

約数の個数: 48

約数和(自身を含む): 40070086992

約数和(自身を除く): 19920212242

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 289, 425, 578, 850, 1445, 2125, 2890, 4250, 7225, 14450, 36125, 72250, 278891, 557782, 1394455, 2788910, 4741147, 6972275, 9482294, 13944550, 23705735, 34861375, 47411470, 69722750, 80599499, 118528675, 161198998, 237057350, 402997495, 592643375, 805994990, 1185286750, 2014987475, 4029974950, 10074937375, 20149874750]

約数ペア:

[(1, 20149874750), (2, 10074937375), (5, 4029974950), (10, 2014987475), (17, 1185286750), (25, 805994990), (34, 592643375), (50, 402997495), (85, 237057350), (125, 161198998), (170, 118528675), (250, 80599499), (289, 69722750), (425, 47411470), (578, 34861375), (850, 23705735), (1445, 13944550), (2125, 9482294), (2890, 6972275), (4250, 4741147), (7225, 2788910), (14450, 1394455), (36125, 557782), (72250, 278891)]