214937680

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{6569}}^1$

素因数の和:6991

約数の個数: 40

約数和(自身を含む): 501028200

約数和(自身を除く): 286090520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 3272, 4090, 6544, 6569, 8180, 13138, 16360, 26276, 32720, 32845, 52552, 65690, 105104, 131380, 262760, 525520, 2686721, 5373442, 10746884, 13433605, 21493768, 26867210, 42987536, 53734420, 107468840, 214937680]

約数ペア:

[(1, 214937680), (2, 107468840), (4, 53734420), (5, 42987536), (8, 26867210), (10, 21493768), (16, 13433605), (20, 10746884), (40, 5373442), (80, 2686721), (409, 525520), (818, 262760), (1636, 131380), (2045, 105104), (3272, 65690), (4090, 52552), (6544, 32845), (6569, 32720), (8180, 26276), (13138, 16360)]