208373950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{521}}^1$

素因数の和:973

約数の個数: 48

約数和(自身を含む): 409728240

約数和(自身を除く): 201354290

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 421, 475, 521, 842, 950, 1042, 2105, 2605, 4210, 5210, 7999, 9899, 10525, 13025, 15998, 19798, 21050, 26050, 39995, 49495, 79990, 98990, 199975, 219341, 247475, 399950, 438682, 494950, 1096705, 2193410, 4167479, 5483525, 8334958, 10967050, 20837395, 41674790, 104186975, 208373950]

約数ペア:

[(1, 208373950), (2, 104186975), (5, 41674790), (10, 20837395), (19, 10967050), (25, 8334958), (38, 5483525), (50, 4167479), (95, 2193410), (190, 1096705), (421, 494950), (475, 438682), (521, 399950), (842, 247475), (950, 219341), (1042, 199975), (2105, 98990), (2605, 79990), (4210, 49495), (5210, 39995), (7999, 26050), (9899, 21050), (10525, 19798), (13025, 15998)]