68905870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 141668352

約数和(自身を除く): 72762482

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 121, 155, 167, 242, 310, 334, 341, 605, 682, 835, 1210, 1331, 1670, 1705, 1837, 2662, 3410, 3674, 3751, 5177, 6655, 7502, 9185, 10354, 13310, 18370, 18755, 20207, 25885, 37510, 40414, 41261, 51770, 56947, 82522, 101035, 113894, 202070, 206305, 222277, 284735, 412610, 444554, 569470, 626417, 1111385, 1252834, 2222770, 3132085, 6264170, 6890587, 13781174, 34452935, 68905870]

約数ペア:

[(1, 68905870), (2, 34452935), (5, 13781174), (10, 6890587), (11, 6264170), (22, 3132085), (31, 2222770), (55, 1252834), (62, 1111385), (110, 626417), (121, 569470), (155, 444554), (167, 412610), (242, 284735), (310, 222277), (334, 206305), (341, 202070), (605, 113894), (682, 101035), (835, 82522), (1210, 56947), (1331, 51770), (1670, 41261), (1705, 40414), (1837, 37510), (2662, 25885), (3410, 20207), (3674, 18755), (3751, 18370), (5177, 13310), (6655, 10354), (7502, 9185)]