7119940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 16232832

約数和(自身を除く): 9112892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 487, 731, 860, 974, 1462, 1948, 2435, 2924, 3655, 4870, 7310, 8279, 9740, 14620, 16558, 20941, 33116, 41395, 41882, 82790, 83764, 104705, 165580, 209410, 355997, 418820, 711994, 1423988, 1779985, 3559970, 7119940]

約数ペア:

[(1, 7119940), (2, 3559970), (4, 1779985), (5, 1423988), (10, 711994), (17, 418820), (20, 355997), (34, 209410), (43, 165580), (68, 104705), (85, 83764), (86, 82790), (170, 41882), (172, 41395), (215, 33116), (340, 20941), (430, 16558), (487, 14620), (731, 9740), (860, 8279), (974, 7310), (1462, 4870), (1948, 3655), (2435, 2924)]