68280100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4241}}^1$

素因数の和:4285

約数の個数: 72

約数和(自身を含む): 176738688

約数和(自身を除く): 108458588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 460, 575, 644, 700, 805, 1150, 1610, 2300, 3220, 4025, 4241, 8050, 8482, 16100, 16964, 21205, 29687, 42410, 59374, 84820, 97543, 106025, 118748, 148435, 195086, 212050, 296870, 390172, 424100, 487715, 593740, 682801, 742175, 975430, 1365602, 1484350, 1950860, 2438575, 2731204, 2968700, 3414005, 4877150, 6828010, 9754300, 13656020, 17070025, 34140050, 68280100]

約数ペア:

[(1, 68280100), (2, 34140050), (4, 17070025), (5, 13656020), (7, 9754300), (10, 6828010), (14, 4877150), (20, 3414005), (23, 2968700), (25, 2731204), (28, 2438575), (35, 1950860), (46, 1484350), (50, 1365602), (70, 975430), (92, 742175), (100, 682801), (115, 593740), (140, 487715), (161, 424100), (175, 390172), (230, 296870), (322, 212050), (350, 195086), (460, 148435), (575, 118748), (644, 106025), (700, 97543), (805, 84820), (1150, 59374), (1610, 42410), (2300, 29687), (3220, 21205), (4025, 16964), (4241, 16100), (8050, 8482)]