51483740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 136539648

約数和(自身を除く): 85055908

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 101, 110, 140, 154, 202, 220, 308, 331, 385, 404, 505, 662, 707, 770, 1010, 1111, 1324, 1414, 1540, 1655, 2020, 2222, 2317, 2828, 3310, 3535, 3641, 4444, 4634, 5555, 6620, 7070, 7282, 7777, 9268, 11110, 11585, 14140, 14564, 15554, 18205, 22220, 23170, 25487, 31108, 33431, 36410, 38885, 46340, 50974, 66862, 72820, 77770, 101948, 127435, 133724, 155540, 167155, 234017, 254870, 334310, 367741, 468034, 509740, 668620, 735482, 936068, 1170085, 1470964, 1838705, 2340170, 2574187, 3677410, 4680340, 5148374, 7354820, 10296748, 12870935, 25741870, 51483740]

約数ペア:

[(1, 51483740), (2, 25741870), (4, 12870935), (5, 10296748), (7, 7354820), (10, 5148374), (11, 4680340), (14, 3677410), (20, 2574187), (22, 2340170), (28, 1838705), (35, 1470964), (44, 1170085), (55, 936068), (70, 735482), (77, 668620), (101, 509740), (110, 468034), (140, 367741), (154, 334310), (202, 254870), (220, 234017), (308, 167155), (331, 155540), (385, 133724), (404, 127435), (505, 101948), (662, 77770), (707, 72820), (770, 66862), (1010, 50974), (1111, 46340), (1324, 38885), (1414, 36410), (1540, 33431), (1655, 31108), (2020, 25487), (2222, 23170), (2317, 22220), (2828, 18205), (3310, 15554), (3535, 14564), (3641, 14140), (4444, 11585), (4634, 11110), (5555, 9268), (6620, 7777), (7070, 7282)]