313079980

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{99707}}^1$

素因数の和:99873

約数の個数: 24

約数和(自身を含む): 661662288

約数和(自身を除く): 348582308

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 99707, 199414, 398828, 498535, 997070, 1994140, 15653999, 31307998, 62615996, 78269995, 156539990, 313079980]

約数ペア:

[(1, 313079980), (2, 156539990), (4, 78269995), (5, 62615996), (10, 31307998), (20, 15653999), (157, 1994140), (314, 997070), (628, 498535), (785, 398828), (1570, 199414), (3140, 99707)]