561167620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{126961}}^1$

素因数の和:127000

約数の個数: 48

約数和(自身を含む): 1343765808

約数和(自身を除く): 782598188

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, 126961, 253922, 507844, 634805, 1269610, 1650493, 2158337, 2539220, 3300986, 4316674, 6601972, 8252465, 8633348, 10791685, 16504930, 21583370, 28058381, 33009860, 43166740, 56116762, 112233524, 140291905, 280583810, 561167620]

約数ペア:

[(1, 561167620), (2, 280583810), (4, 140291905), (5, 112233524), (10, 56116762), (13, 43166740), (17, 33009860), (20, 28058381), (26, 21583370), (34, 16504930), (52, 10791685), (65, 8633348), (68, 8252465), (85, 6601972), (130, 4316674), (170, 3300986), (221, 2539220), (260, 2158337), (340, 1650493), (442, 1269610), (884, 634805), (1105, 507844), (2210, 253922), (4420, 126961)]