203673820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3557}}^1$

素因数の和:3982

約数の個数: 48

約数和(自身を含む): 490150080

約数和(自身を除く): 286476260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 1636, 2045, 2863, 3557, 4090, 5726, 7114, 8180, 11452, 14228, 14315, 17785, 24899, 28630, 35570, 49798, 57260, 71140, 99596, 124495, 248990, 497980, 1454813, 2909626, 5819252, 7274065, 10183691, 14548130, 20367382, 29096260, 40734764, 50918455, 101836910, 203673820]

約数ペア:

[(1, 203673820), (2, 101836910), (4, 50918455), (5, 40734764), (7, 29096260), (10, 20367382), (14, 14548130), (20, 10183691), (28, 7274065), (35, 5819252), (70, 2909626), (140, 1454813), (409, 497980), (818, 248990), (1636, 124495), (2045, 99596), (2863, 71140), (3557, 57260), (4090, 49798), (5726, 35570), (7114, 28630), (8180, 24899), (11452, 17785), (14228, 14315)]