31856860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{32507}}^1$

素因数の和:32530

約数の個数: 36

約数和(自身を含む): 77824152

約数和(自身を除く): 45967292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 32507, 65014, 130028, 162535, 227549, 325070, 455098, 650140, 910196, 1137745, 1592843, 2275490, 3185686, 4550980, 6371372, 7964215, 15928430, 31856860]

約数ペア:

[(1, 31856860), (2, 15928430), (4, 7964215), (5, 6371372), (7, 4550980), (10, 3185686), (14, 2275490), (20, 1592843), (28, 1137745), (35, 910196), (49, 650140), (70, 455098), (98, 325070), (140, 227549), (196, 162535), (245, 130028), (490, 65014), (980, 32507)]