238528040

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89003}}^1$

素因数の和:89081

約数の個数: 32

約数和(自身を含む): 544704480

約数和(自身を除く): 306176440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 89003, 178006, 356012, 445015, 712024, 890030, 1780060, 3560120, 5963201, 11926402, 23852804, 29816005, 47705608, 59632010, 119264020, 238528040]

約数ペア:

[(1, 238528040), (2, 119264020), (4, 59632010), (5, 47705608), (8, 29816005), (10, 23852804), (20, 11926402), (40, 5963201), (67, 3560120), (134, 1780060), (268, 890030), (335, 712024), (536, 445015), (670, 356012), (1340, 178006), (2680, 89003)]