8444680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 20269440

約数和(自身を除く): 11824760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 67, 92, 115, 134, 137, 184, 230, 268, 274, 335, 460, 536, 548, 670, 685, 920, 1096, 1340, 1370, 1541, 2680, 2740, 3082, 3151, 5480, 6164, 6302, 7705, 9179, 12328, 12604, 15410, 15755, 18358, 25208, 30820, 31510, 36716, 45895, 61640, 63020, 73432, 91790, 126040, 183580, 211117, 367160, 422234, 844468, 1055585, 1688936, 2111170, 4222340, 8444680]

約数ペア:

[(1, 8444680), (2, 4222340), (4, 2111170), (5, 1688936), (8, 1055585), (10, 844468), (20, 422234), (23, 367160), (40, 211117), (46, 183580), (67, 126040), (92, 91790), (115, 73432), (134, 63020), (137, 61640), (184, 45895), (230, 36716), (268, 31510), (274, 30820), (335, 25208), (460, 18358), (536, 15755), (548, 15410), (670, 12604), (685, 12328), (920, 9179), (1096, 7705), (1340, 6302), (1370, 6164), (1541, 5480), (2680, 3151), (2740, 3082)]