998139940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{151693}}^1$

素因数の和:151756

約数の個数: 48

約数和(自身を含む): 2446520832

約数和(自身を除く): 1448380892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 151693, 303386, 606772, 758465, 1061851, 1516930, 2123702, 3033860, 4247404, 5309255, 7129571, 10618510, 14259142, 21237020, 28518284, 35647855, 49906997, 71295710, 99813994, 142591420, 199627988, 249534985, 499069970, 998139940]

約数ペア:

[(1, 998139940), (2, 499069970), (4, 249534985), (5, 199627988), (7, 142591420), (10, 99813994), (14, 71295710), (20, 49906997), (28, 35647855), (35, 28518284), (47, 21237020), (70, 14259142), (94, 10618510), (140, 7129571), (188, 5309255), (235, 4247404), (329, 3033860), (470, 2123702), (658, 1516930), (940, 1061851), (1316, 758465), (1645, 606772), (3290, 303386), (6580, 151693)]