320350290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{821411}}^1$

素因数の和:821434

約数の個数: 32

約数和(自身を含む): 827983296

約数和(自身を除く): 507633006

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 821411, 1642822, 2464233, 4107055, 4928466, 8214110, 10678343, 12321165, 21356686, 24642330, 32035029, 53391715, 64070058, 106783430, 160175145, 320350290]

約数ペア:

[(1, 320350290), (2, 160175145), (3, 106783430), (5, 64070058), (6, 53391715), (10, 32035029), (13, 24642330), (15, 21356686), (26, 12321165), (30, 10678343), (39, 8214110), (65, 4928466), (78, 4107055), (130, 2464233), (195, 1642822), (390, 821411)]