4254140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 9936864

約数和(自身を除く): 5682724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 317, 610, 634, 671, 1220, 1268, 1342, 1585, 2684, 3170, 3355, 3487, 6340, 6710, 6974, 13420, 13948, 17435, 19337, 34870, 38674, 69740, 77348, 96685, 193370, 212707, 386740, 425414, 850828, 1063535, 2127070, 4254140]

約数ペア:

[(1, 4254140), (2, 2127070), (4, 1063535), (5, 850828), (10, 425414), (11, 386740), (20, 212707), (22, 193370), (44, 96685), (55, 77348), (61, 69740), (110, 38674), (122, 34870), (220, 19337), (244, 17435), (305, 13948), (317, 13420), (610, 6974), (634, 6710), (671, 6340), (1220, 3487), (1268, 3355), (1342, 3170), (1585, 2684)]