77481140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 181187496

約数和(自身を除く): 103706356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 121, 202, 220, 242, 317, 404, 484, 505, 605, 634, 1010, 1111, 1210, 1268, 1585, 2020, 2222, 2420, 3170, 3487, 4444, 5555, 6340, 6974, 11110, 12221, 13948, 17435, 22220, 24442, 32017, 34870, 38357, 48884, 61105, 64034, 69740, 76714, 122210, 128068, 153428, 160085, 191785, 244420, 320170, 352187, 383570, 640340, 704374, 767140, 1408748, 1760935, 3521870, 3874057, 7043740, 7748114, 15496228, 19370285, 38740570, 77481140]

約数ペア:

[(1, 77481140), (2, 38740570), (4, 19370285), (5, 15496228), (10, 7748114), (11, 7043740), (20, 3874057), (22, 3521870), (44, 1760935), (55, 1408748), (101, 767140), (110, 704374), (121, 640340), (202, 383570), (220, 352187), (242, 320170), (317, 244420), (404, 191785), (484, 160085), (505, 153428), (605, 128068), (634, 122210), (1010, 76714), (1111, 69740), (1210, 64034), (1268, 61105), (1585, 48884), (2020, 38357), (2222, 34870), (2420, 32017), (3170, 24442), (3487, 22220), (4444, 17435), (5555, 13948), (6340, 12221), (6974, 11110)]