172321390

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{72101}}^1$

素因数の和:72347

約数の個数: 16

約数和(自身を含む): 311480640

約数和(自身を除く): 139159250

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 72101, 144202, 360505, 721010, 17232139, 34464278, 86160695, 172321390]

約数ペア:

[(1, 172321390), (2, 86160695), (5, 34464278), (10, 17232139), (239, 721010), (478, 360505), (1195, 144202), (2390, 72101)]