156738370

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1282

約数の個数: 32

約数和(自身を含む): 287424000

約数和(自身を除く): 130685630

約数列:

[1, 2, 5, 10, 79, 158, 199, 395, 398, 790, 995, 997, 1990, 1994, 4985, 9970, 15721, 31442, 78605, 78763, 157210, 157526, 198403, 393815, 396806, 787630, 992015, 1984030, 15673837, 31347674, 78369185, 156738370]

約数ペア:

[(1, 156738370), (2, 78369185), (5, 31347674), (10, 15673837), (79, 1984030), (158, 992015), (199, 787630), (395, 396806), (398, 393815), (790, 198403), (995, 157526), (997, 157210), (1990, 78763), (1994, 78605), (4985, 31442), (9970, 15721)]