1566221140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{70487}}^1$

素因数の和:70608

約数の個数: 48

約数和(自身を含む): 3623647104

約数和(自身を除く): 2057425964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 11110, 22220, 70487, 140974, 281948, 352435, 704870, 775357, 1409740, 1550714, 3101428, 3876785, 7119187, 7753570, 14238374, 15507140, 28476748, 35595935, 71191870, 78311057, 142383740, 156622114, 313244228, 391555285, 783110570, 1566221140]

約数ペア:

[(1, 1566221140), (2, 783110570), (4, 391555285), (5, 313244228), (10, 156622114), (11, 142383740), (20, 78311057), (22, 71191870), (44, 35595935), (55, 28476748), (101, 15507140), (110, 14238374), (202, 7753570), (220, 7119187), (404, 3876785), (505, 3101428), (1010, 1550714), (1111, 1409740), (2020, 775357), (2222, 704870), (4444, 352435), (5555, 281948), (11110, 140974), (22220, 70487)]