1990400604188

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{70379}}^1\times {\mathrm{191089}}^1$

素因数の和:261509

約数の個数: 24

約数和(自身を含む): 3577411177200

約数和(自身を除く): 1587010573012

約数列:

[1, 2, 4, 37, 74, 148, 70379, 140758, 191089, 281516, 382178, 764356, 2604023, 5208046, 7070293, 10416092, 14140586, 28281172, 13448652731, 26897305462, 53794610924, 497600151047, 995200302094, 1990400604188]

約数ペア:

[(1, 1990400604188), (2, 995200302094), (4, 497600151047), (37, 53794610924), (74, 26897305462), (148, 13448652731), (70379, 28281172), (140758, 14140586), (191089, 10416092), (281516, 7070293), (382178, 5208046), (764356, 2604023)]