78490940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{7591}}^1$

素因数の和:7658

約数の個数: 48

約数和(自身を含む): 183665664

約数和(自身を除く): 105174724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 7591, 10340, 15182, 30364, 37955, 75910, 83501, 151820, 167002, 334004, 356777, 417505, 713554, 835010, 1427108, 1670020, 1783885, 3567770, 3924547, 7135540, 7849094, 15698188, 19622735, 39245470, 78490940]

約数ペア:

[(1, 78490940), (2, 39245470), (4, 19622735), (5, 15698188), (10, 7849094), (11, 7135540), (20, 3924547), (22, 3567770), (44, 1783885), (47, 1670020), (55, 1427108), (94, 835010), (110, 713554), (188, 417505), (220, 356777), (235, 334004), (470, 167002), (517, 151820), (940, 83501), (1034, 75910), (2068, 37955), (2585, 30364), (5170, 15182), (7591, 10340)]