198817250

素因数分解:

$2^1\times 5^3\times {\mathrm{421}}^1\times {\mathrm{1889}}^1$

素因数の和:2327

約数の個数: 32

約数和(自身を含む): 373267440

約数和(自身を除く): 174450190

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 421, 842, 1889, 2105, 3778, 4210, 9445, 10525, 18890, 21050, 47225, 52625, 94450, 105250, 236125, 472250, 795269, 1590538, 3976345, 7952690, 19881725, 39763450, 99408625, 198817250]

約数ペア:

[(1, 198817250), (2, 99408625), (5, 39763450), (10, 19881725), (25, 7952690), (50, 3976345), (125, 1590538), (250, 795269), (421, 472250), (842, 236125), (1889, 105250), (2105, 94450), (3778, 52625), (4210, 47225), (9445, 21050), (10525, 18890)]