131878340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 317979648

約数和(自身を除く): 186101308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 61, 62, 110, 122, 124, 155, 220, 244, 305, 310, 317, 341, 610, 620, 634, 671, 682, 1220, 1268, 1342, 1364, 1585, 1705, 1891, 2684, 3170, 3355, 3410, 3487, 3782, 6340, 6710, 6820, 6974, 7564, 9455, 9827, 13420, 13948, 17435, 18910, 19337, 19654, 20801, 34870, 37820, 38674, 39308, 41602, 49135, 69740, 77348, 83204, 96685, 98270, 104005, 108097, 193370, 196540, 208010, 212707, 216194, 386740, 416020, 425414, 432388, 540485, 599447, 850828, 1063535, 1080970, 1198894, 2127070, 2161940, 2397788, 2997235, 4254140, 5994470, 6593917, 11988940, 13187834, 26375668, 32969585, 65939170, 131878340]

約数ペア:

[(1, 131878340), (2, 65939170), (4, 32969585), (5, 26375668), (10, 13187834), (11, 11988940), (20, 6593917), (22, 5994470), (31, 4254140), (44, 2997235), (55, 2397788), (61, 2161940), (62, 2127070), (110, 1198894), (122, 1080970), (124, 1063535), (155, 850828), (220, 599447), (244, 540485), (305, 432388), (310, 425414), (317, 416020), (341, 386740), (610, 216194), (620, 212707), (634, 208010), (671, 196540), (682, 193370), (1220, 108097), (1268, 104005), (1342, 98270), (1364, 96685), (1585, 83204), (1705, 77348), (1891, 69740), (2684, 49135), (3170, 41602), (3355, 39308), (3410, 38674), (3487, 37820), (3782, 34870), (6340, 20801), (6710, 19654), (6820, 19337), (6974, 18910), (7564, 17435), (9455, 13948), (9827, 13420)]