2217239980

素因数分解:

$2^2\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{77041}}^1$

素因数の和:78489

約数の個数: 24

約数和(自身を含む): 4659500160

約数和(自身を除く): 2442260180

約数列:

[1, 2, 4, 5, 10, 20, 1439, 2878, 5756, 7195, 14390, 28780, 77041, 154082, 308164, 385205, 770410, 1540820, 110861999, 221723998, 443447996, 554309995, 1108619990, 2217239980]

約数ペア:

[(1, 2217239980), (2, 1108619990), (4, 554309995), (5, 443447996), (10, 221723998), (20, 110861999), (1439, 1540820), (2878, 770410), (5756, 385205), (7195, 308164), (14390, 154082), (28780, 77041)]