1490990360

素因数分解:

$2^3\times 5^1\times {\mathrm{2029}}^1\times {\mathrm{18371}}^1$

素因数の和:20411

約数の個数: 32

約数和(自身を含む): 3356564400

約数和(自身を除く): 1865574040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2029, 4058, 8116, 10145, 16232, 18371, 20290, 36742, 40580, 73484, 81160, 91855, 146968, 183710, 367420, 734840, 37274759, 74549518, 149099036, 186373795, 298198072, 372747590, 745495180, 1490990360]

約数ペア:

[(1, 1490990360), (2, 745495180), (4, 372747590), (5, 298198072), (8, 186373795), (10, 149099036), (20, 74549518), (40, 37274759), (2029, 734840), (4058, 367420), (8116, 183710), (10145, 146968), (16232, 91855), (18371, 81160), (20290, 73484), (36742, 40580)]