87442220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5981}}^1$

素因数の和:6050

約数の個数: 48

約数和(自身を含む): 198985248

約数和(自身を除く): 111543028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 5981, 7310, 11962, 14620, 23924, 29905, 59810, 101677, 119620, 203354, 257183, 406708, 508385, 514366, 1016770, 1028732, 1285915, 2033540, 2571830, 4372111, 5143660, 8744222, 17488444, 21860555, 43721110, 87442220]

約数ペア:

[(1, 87442220), (2, 43721110), (4, 21860555), (5, 17488444), (10, 8744222), (17, 5143660), (20, 4372111), (34, 2571830), (43, 2033540), (68, 1285915), (85, 1028732), (86, 1016770), (170, 514366), (172, 508385), (215, 406708), (340, 257183), (430, 203354), (731, 119620), (860, 101677), (1462, 59810), (2924, 29905), (3655, 23924), (5981, 14620), (7310, 11962)]