157213970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{6271}}^1$

素因数の和:6410

約数の個数: 32

約数和(自身を含む): 298045440

約数和(自身を除く): 140831470

約数列:

[1, 2, 5, 10, 23, 46, 109, 115, 218, 230, 545, 1090, 2507, 5014, 6271, 12535, 12542, 25070, 31355, 62710, 144233, 288466, 683539, 721165, 1367078, 1442330, 3417695, 6835390, 15721397, 31442794, 78606985, 157213970]

約数ペア:

[(1, 157213970), (2, 78606985), (5, 31442794), (10, 15721397), (23, 6835390), (46, 3417695), (109, 1442330), (115, 1367078), (218, 721165), (230, 683539), (545, 288466), (1090, 144233), (2507, 62710), (5014, 31355), (6271, 25070), (12535, 12542)]