207314120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{398681}}^1$

素因数の和:398705

約数の個数: 32

約数和(自身を含む): 502339320

約数和(自身を除く): 295025200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 398681, 797362, 1594724, 1993405, 3189448, 3986810, 5182853, 7973620, 10365706, 15947240, 20731412, 25914265, 41462824, 51828530, 103657060, 207314120]

約数ペア:

[(1, 207314120), (2, 103657060), (4, 51828530), (5, 41462824), (8, 25914265), (10, 20731412), (13, 15947240), (20, 10365706), (26, 7973620), (40, 5182853), (52, 3986810), (65, 3189448), (104, 1993405), (130, 1594724), (260, 797362), (520, 398681)]