79973740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4721}}^1$

素因数の和:4759

約数の個数: 72

約数和(自身を含む): 211016736

約数和(自身を除く): 131042996

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 4721, 8470, 9442, 16940, 18884, 23605, 33047, 47210, 51931, 66094, 94420, 103862, 132188, 165235, 207724, 259655, 330470, 363517, 519310, 571241, 660940, 727034, 1038620, 1142482, 1454068, 1817585, 2284964, 2856205, 3635170, 3998687, 5712410, 7270340, 7997374, 11424820, 15994748, 19993435, 39986870, 79973740]

約数ペア:

[(1, 79973740), (2, 39986870), (4, 19993435), (5, 15994748), (7, 11424820), (10, 7997374), (11, 7270340), (14, 5712410), (20, 3998687), (22, 3635170), (28, 2856205), (35, 2284964), (44, 1817585), (55, 1454068), (70, 1142482), (77, 1038620), (110, 727034), (121, 660940), (140, 571241), (154, 519310), (220, 363517), (242, 330470), (308, 259655), (385, 207724), (484, 165235), (605, 132188), (770, 103862), (847, 94420), (1210, 66094), (1540, 51931), (1694, 47210), (2420, 33047), (3388, 23605), (4235, 18884), (4721, 16940), (8470, 9442)]