67521820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1297}}^1$

素因数の和:1462

約数の個数: 48

約数和(自身を含む): 150464160

約数和(自身を除く): 82942340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 137, 190, 274, 380, 548, 685, 1297, 1370, 2594, 2603, 2740, 5188, 5206, 6485, 10412, 12970, 13015, 24643, 25940, 26030, 49286, 52060, 98572, 123215, 177689, 246430, 355378, 492860, 710756, 888445, 1776890, 3376091, 3553780, 6752182, 13504364, 16880455, 33760910, 67521820]

約数ペア:

[(1, 67521820), (2, 33760910), (4, 16880455), (5, 13504364), (10, 6752182), (19, 3553780), (20, 3376091), (38, 1776890), (76, 888445), (95, 710756), (137, 492860), (190, 355378), (274, 246430), (380, 177689), (548, 123215), (685, 98572), (1297, 52060), (1370, 49286), (2594, 26030), (2603, 25940), (2740, 24643), (5188, 13015), (5206, 12970), (6485, 10412)]