210169384490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{225889}}^1$

素因数の和:226347

約数の個数: 64

約数和(自身を含む): 432396830880

約数和(自身を除く): 222227446390

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 421, 442, 842, 1105, 2105, 2210, 4210, 5473, 7157, 10946, 14314, 27365, 35785, 54730, 71570, 93041, 186082, 225889, 451778, 465205, 930410, 1129445, 2258890, 2936557, 3840113, 5873114, 7680226, 14682785, 19200565, 29365570, 38401130, 49921469, 95099269, 99842938, 190198538, 249607345, 475496345, 499214690, 950992690, 1236290497, 1616687573, 2472580994, 3233375146, 6181452485, 8083437865, 12362904970, 16166875730, 21016938449, 42033876898, 105084692245, 210169384490]

約数ペア:

[(1, 210169384490), (2, 105084692245), (5, 42033876898), (10, 21016938449), (13, 16166875730), (17, 12362904970), (26, 8083437865), (34, 6181452485), (65, 3233375146), (85, 2472580994), (130, 1616687573), (170, 1236290497), (221, 950992690), (421, 499214690), (442, 475496345), (842, 249607345), (1105, 190198538), (2105, 99842938), (2210, 95099269), (4210, 49921469), (5473, 38401130), (7157, 29365570), (10946, 19200565), (14314, 14682785), (27365, 7680226), (35785, 5873114), (54730, 3840113), (71570, 2936557), (93041, 2258890), (186082, 1129445), (225889, 930410), (451778, 465205)]