1998565090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{18121}}^1$

素因数の和:18438

約数の個数: 32

約数和(自身を含む): 3699062640

約数和(自身を除く): 1700497550

約数列:

[1, 2, 5, 10, 41, 82, 205, 269, 410, 538, 1345, 2690, 11029, 18121, 22058, 36242, 55145, 90605, 110290, 181210, 742961, 1485922, 3714805, 4874549, 7429610, 9749098, 24372745, 48745490, 199856509, 399713018, 999282545, 1998565090]

約数ペア:

[(1, 1998565090), (2, 999282545), (5, 399713018), (10, 199856509), (41, 48745490), (82, 24372745), (205, 9749098), (269, 7429610), (410, 4874549), (538, 3714805), (1345, 1485922), (2690, 742961), (11029, 181210), (18121, 110290), (22058, 90605), (36242, 55145)]