189322040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{77591}}^1$

素因数の和:77663

約数の個数: 32

約数和(自身を含む): 432963360

約数和(自身を除く): 243641320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 77591, 155182, 310364, 387955, 620728, 775910, 1551820, 3103640, 4733051, 9466102, 18932204, 23665255, 37864408, 47330510, 94661020, 189322040]

約数ペア:

[(1, 189322040), (2, 94661020), (4, 47330510), (5, 37864408), (8, 23665255), (10, 18932204), (20, 9466102), (40, 4733051), (61, 3103640), (122, 1551820), (244, 775910), (305, 620728), (488, 387955), (610, 310364), (1220, 155182), (2440, 77591)]