78857200

素因数分解:

$2^4\times 5^2\times {\mathrm{137}}^1\times {\mathrm{1439}}^1$

素因数の和:1594

約数の個数: 60

約数和(自身を含む): 190969920

約数和(自身を除く): 112112720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 137, 200, 274, 400, 548, 685, 1096, 1370, 1439, 2192, 2740, 2878, 3425, 5480, 5756, 6850, 7195, 10960, 11512, 13700, 14390, 23024, 27400, 28780, 35975, 54800, 57560, 71950, 115120, 143900, 197143, 287800, 394286, 575600, 788572, 985715, 1577144, 1971430, 3154288, 3942860, 4928575, 7885720, 9857150, 15771440, 19714300, 39428600, 78857200]

約数ペア:

[(1, 78857200), (2, 39428600), (4, 19714300), (5, 15771440), (8, 9857150), (10, 7885720), (16, 4928575), (20, 3942860), (25, 3154288), (40, 1971430), (50, 1577144), (80, 985715), (100, 788572), (137, 575600), (200, 394286), (274, 287800), (400, 197143), (548, 143900), (685, 115120), (1096, 71950), (1370, 57560), (1439, 54800), (2192, 35975), (2740, 28780), (2878, 27400), (3425, 23024), (5480, 14390), (5756, 13700), (6850, 11512), (7195, 10960)]