201997559780

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1\times {\mathrm{328633}}^1$

素因数の和:329136

約数の個数: 48

約数和(自身を含む): 431028467184

約数和(自身を除く): 229030907404

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 421, 730, 842, 1460, 1684, 2105, 4210, 8420, 30733, 61466, 122932, 153665, 307330, 328633, 614660, 657266, 1314532, 1643165, 3286330, 6572660, 23990209, 47980418, 95960836, 119951045, 138354493, 239902090, 276708986, 479804180, 553417972, 691772465, 1383544930, 2767089860, 10099877989, 20199755978, 40399511956, 50499389945, 100998779890, 201997559780]

約数ペア:

[(1, 201997559780), (2, 100998779890), (4, 50499389945), (5, 40399511956), (10, 20199755978), (20, 10099877989), (73, 2767089860), (146, 1383544930), (292, 691772465), (365, 553417972), (421, 479804180), (730, 276708986), (842, 239902090), (1460, 138354493), (1684, 119951045), (2105, 95960836), (4210, 47980418), (8420, 23990209), (30733, 6572660), (61466, 3286330), (122932, 1643165), (153665, 1314532), (307330, 657266), (328633, 614660)]