919975970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{5231}}^1$

素因数の和:5690

約数の個数: 32

約数和(自身を含む): 1698935040

約数和(自身を除く): 778959070

約数列:

[1, 2, 5, 10, 43, 86, 215, 409, 430, 818, 2045, 4090, 5231, 10462, 17587, 26155, 35174, 52310, 87935, 175870, 224933, 449866, 1124665, 2139479, 2249330, 4278958, 10697395, 21394790, 91997597, 183995194, 459987985, 919975970]

約数ペア:

[(1, 919975970), (2, 459987985), (5, 183995194), (10, 91997597), (43, 21394790), (86, 10697395), (215, 4278958), (409, 2249330), (430, 2139479), (818, 1124665), (2045, 449866), (4090, 224933), (5231, 175870), (10462, 87935), (17587, 52310), (26155, 35174)]