7909420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 18029088

約数和(自身を除く): 10119668

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 541, 731, 860, 1082, 1462, 2164, 2705, 2924, 3655, 5410, 7310, 9197, 10820, 14620, 18394, 23263, 36788, 45985, 46526, 91970, 93052, 116315, 183940, 232630, 395471, 465260, 790942, 1581884, 1977355, 3954710, 7909420]

約数ペア:

[(1, 7909420), (2, 3954710), (4, 1977355), (5, 1581884), (10, 790942), (17, 465260), (20, 395471), (34, 232630), (43, 183940), (68, 116315), (85, 93052), (86, 91970), (170, 46526), (172, 45985), (215, 36788), (340, 23263), (430, 18394), (541, 14620), (731, 10820), (860, 9197), (1082, 7310), (1462, 5410), (2164, 3655), (2705, 2924)]