229707920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220873}}^1$

素因数の和:220899

約数の個数: 40

約数和(自身を含む): 575155896

約数和(自身を除く): 345447976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 220873, 441746, 883492, 1104365, 1766984, 2208730, 2871349, 3533968, 4417460, 5742698, 8834920, 11485396, 14356745, 17669840, 22970792, 28713490, 45941584, 57426980, 114853960, 229707920]

約数ペア:

[(1, 229707920), (2, 114853960), (4, 57426980), (5, 45941584), (8, 28713490), (10, 22970792), (13, 17669840), (16, 14356745), (20, 11485396), (26, 8834920), (40, 5742698), (52, 4417460), (65, 3533968), (80, 2871349), (104, 2208730), (130, 1766984), (208, 1104365), (260, 883492), (520, 441746), (1040, 220873)]