201221030

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{490783}}^1$

素因数の和:490831

約数の個数: 16

約数和(自身を含む): 371032704

約数和(自身を除く): 169811674

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 490783, 981566, 2453915, 4907830, 20122103, 40244206, 100610515, 201221030]

約数ペア:

[(1, 201221030), (2, 100610515), (5, 40244206), (10, 20122103), (41, 4907830), (82, 2453915), (205, 981566), (410, 490783)]