155290040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{204329}}^1$

素因数の和:204359

約数の個数: 32

約数和(自身を含む): 367794000

約数和(自身を除く): 212503960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 204329, 408658, 817316, 1021645, 1634632, 2043290, 3882251, 4086580, 7764502, 8173160, 15529004, 19411255, 31058008, 38822510, 77645020, 155290040]

約数ペア:

[(1, 155290040), (2, 77645020), (4, 38822510), (5, 31058008), (8, 19411255), (10, 15529004), (19, 8173160), (20, 7764502), (38, 4086580), (40, 3882251), (76, 2043290), (95, 1634632), (152, 1021645), (190, 817316), (380, 408658), (760, 204329)]