90738760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{324067}}^1$

素因数の和:324085

約数の個数: 32

約数和(自身を含む): 233328960

約数和(自身を除く): 142590200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 324067, 648134, 1296268, 1620335, 2268469, 2592536, 3240670, 4536938, 6481340, 9073876, 11342345, 12962680, 18147752, 22684690, 45369380, 90738760]

約数ペア:

[(1, 90738760), (2, 45369380), (4, 22684690), (5, 18147752), (7, 12962680), (8, 11342345), (10, 9073876), (14, 6481340), (20, 4536938), (28, 3240670), (35, 2592536), (40, 2268469), (56, 1620335), (70, 1296268), (140, 648134), (280, 324067)]