169997620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{38461}}^1$

素因数の和:38500

約数の個数: 48

約数和(自身を含む): 407081808

約数和(自身を除く): 237084188

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 38461, 76922, 153844, 192305, 384610, 499993, 653837, 769220, 999986, 1307674, 1999972, 2499965, 2615348, 3269185, 4999930, 6538370, 8499881, 9999860, 13076740, 16999762, 33999524, 42499405, 84998810, 169997620]

約数ペア:

[(1, 169997620), (2, 84998810), (4, 42499405), (5, 33999524), (10, 16999762), (13, 13076740), (17, 9999860), (20, 8499881), (26, 6538370), (34, 4999930), (52, 3269185), (65, 2615348), (68, 2499965), (85, 1999972), (130, 1307674), (170, 999986), (221, 769220), (260, 653837), (340, 499993), (442, 384610), (884, 192305), (1105, 153844), (2210, 76922), (4420, 38461)]