90710170

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{577}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 166464000

約数和(自身を除く): 75753830

約数列:

[1, 2, 5, 10, 79, 158, 199, 395, 398, 577, 790, 995, 1154, 1990, 2885, 5770, 15721, 31442, 45583, 78605, 91166, 114823, 157210, 227915, 229646, 455830, 574115, 1148230, 9071017, 18142034, 45355085, 90710170]

約数ペア:

[(1, 90710170), (2, 45355085), (5, 18142034), (10, 9071017), (79, 1148230), (158, 574115), (199, 455830), (395, 229646), (398, 227915), (577, 157210), (790, 114823), (995, 91166), (1154, 78605), (1990, 45583), (2885, 31442), (5770, 15721)]