90022820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1777}}^1$

素因数の和:1952

約数の個数: 48

約数和(自身を含む): 201625200

約数和(自身を除く): 111602380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 170, 298, 340, 596, 745, 1490, 1777, 2533, 2980, 3554, 5066, 7108, 8885, 10132, 12665, 17770, 25330, 30209, 35540, 50660, 60418, 120836, 151045, 264773, 302090, 529546, 604180, 1059092, 1323865, 2647730, 4501141, 5295460, 9002282, 18004564, 22505705, 45011410, 90022820]

約数ペア:

[(1, 90022820), (2, 45011410), (4, 22505705), (5, 18004564), (10, 9002282), (17, 5295460), (20, 4501141), (34, 2647730), (68, 1323865), (85, 1059092), (149, 604180), (170, 529546), (298, 302090), (340, 264773), (596, 151045), (745, 120836), (1490, 60418), (1777, 50660), (2533, 35540), (2980, 30209), (3554, 25330), (5066, 17770), (7108, 12665), (8885, 10132)]