320790970

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{1913}}^1$

素因数の和:2370

約数の個数: 32

約数和(自身を含む): 593263440

約数和(自身を除く): 272472470

約数列:

[1, 2, 5, 10, 41, 82, 205, 409, 410, 818, 1913, 2045, 3826, 4090, 9565, 16769, 19130, 33538, 78433, 83845, 156866, 167690, 392165, 782417, 784330, 1564834, 3912085, 7824170, 32079097, 64158194, 160395485, 320790970]

約数ペア:

[(1, 320790970), (2, 160395485), (5, 64158194), (10, 32079097), (41, 7824170), (82, 3912085), (205, 1564834), (409, 784330), (410, 782417), (818, 392165), (1913, 167690), (2045, 156866), (3826, 83845), (4090, 78433), (9565, 33538), (16769, 19130)]