280354212

素因数分解:

$2^2\times 3^2\times {\mathrm{487}}^1\times {\mathrm{15991}}^1$

素因数の和:16488

約数の個数: 36

約数和(自身を含む): 710172736

約数和(自身を除く): 429818524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 487, 974, 1461, 1948, 2922, 4383, 5844, 8766, 15991, 17532, 31982, 47973, 63964, 95946, 143919, 191892, 287838, 575676, 7787617, 15575234, 23362851, 31150468, 46725702, 70088553, 93451404, 140177106, 280354212]

約数ペア:

[(1, 280354212), (2, 140177106), (3, 93451404), (4, 70088553), (6, 46725702), (9, 31150468), (12, 23362851), (18, 15575234), (36, 7787617), (487, 575676), (974, 287838), (1461, 191892), (1948, 143919), (2922, 95946), (4383, 63964), (5844, 47973), (8766, 31982), (15991, 17532)]