23398990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:588

約数の個数: 32

約数和(自身を含む): 43390080

約数和(自身を除く): 19991090

約数列:

[1, 2, 5, 10, 61, 89, 122, 178, 305, 431, 445, 610, 862, 890, 2155, 4310, 5429, 10858, 26291, 27145, 38359, 52582, 54290, 76718, 131455, 191795, 262910, 383590, 2339899, 4679798, 11699495, 23398990]

約数ペア:

[(1, 23398990), (2, 11699495), (5, 4679798), (10, 2339899), (61, 383590), (89, 262910), (122, 191795), (178, 131455), (305, 76718), (431, 54290), (445, 52582), (610, 38359), (862, 27145), (890, 26291), (2155, 10858), (4310, 5429)]