689351820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{244451}}^1$

素因数の和:244510

約数の個数: 48

約数和(自身を含む): 1971260928

約数和(自身を除く): 1281909108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 244451, 488902, 733353, 977804, 1222255, 1466706, 2444510, 2933412, 3666765, 4889020, 7333530, 11489197, 14667060, 22978394, 34467591, 45956788, 57445985, 68935182, 114891970, 137870364, 172337955, 229783940, 344675910, 689351820]

約数ペア:

[(1, 689351820), (2, 344675910), (3, 229783940), (4, 172337955), (5, 137870364), (6, 114891970), (10, 68935182), (12, 57445985), (15, 45956788), (20, 34467591), (30, 22978394), (47, 14667060), (60, 11489197), (94, 7333530), (141, 4889020), (188, 3666765), (235, 2933412), (282, 2444510), (470, 1466706), (564, 1222255), (705, 977804), (940, 733353), (1410, 488902), (2820, 244451)]