320139410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{64937}}^1$

素因数の和:64990

約数の個数: 32

約数和(自身を含む): 631197360

約数和(自身を除く): 311057950

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4930, 64937, 129874, 324685, 649370, 1103929, 1883173, 2207858, 3766346, 5519645, 9415865, 11039290, 18831730, 32013941, 64027882, 160069705, 320139410]

約数ペア:

[(1, 320139410), (2, 160069705), (5, 64027882), (10, 32013941), (17, 18831730), (29, 11039290), (34, 9415865), (58, 5519645), (85, 3766346), (145, 2207858), (170, 1883173), (290, 1103929), (493, 649370), (986, 324685), (2465, 129874), (4930, 64937)]