67997620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4651}}^1$

素因数の和:4720

約数の個数: 48

約数和(自身を含む): 154744128

約数和(自身を除く): 86746508

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 4651, 7310, 9302, 14620, 18604, 23255, 46510, 79067, 93020, 158134, 199993, 316268, 395335, 399986, 790670, 799972, 999965, 1581340, 1999930, 3399881, 3999860, 6799762, 13599524, 16999405, 33998810, 67997620]

約数ペア:

[(1, 67997620), (2, 33998810), (4, 16999405), (5, 13599524), (10, 6799762), (17, 3999860), (20, 3399881), (34, 1999930), (43, 1581340), (68, 999965), (85, 799972), (86, 790670), (170, 399986), (172, 395335), (215, 316268), (340, 199993), (430, 158134), (731, 93020), (860, 79067), (1462, 46510), (2924, 23255), (3655, 18604), (4651, 14620), (7310, 9302)]