7798180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 17886960

約数和(自身を除く): 10088780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 337, 356, 445, 674, 890, 1157, 1348, 1685, 1780, 2314, 3370, 4381, 4628, 5785, 6740, 8762, 11570, 17524, 21905, 23140, 29993, 43810, 59986, 87620, 119972, 149965, 299930, 389909, 599860, 779818, 1559636, 1949545, 3899090, 7798180]

約数ペア:

[(1, 7798180), (2, 3899090), (4, 1949545), (5, 1559636), (10, 779818), (13, 599860), (20, 389909), (26, 299930), (52, 149965), (65, 119972), (89, 87620), (130, 59986), (178, 43810), (260, 29993), (337, 23140), (356, 21905), (445, 17524), (674, 11570), (890, 8762), (1157, 6740), (1348, 5785), (1685, 4628), (1780, 4381), (2314, 3370)]