223457500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{113}}^2$

素因数の和:257

約数の個数: 90

約数和(自身を含む): 563450888

約数和(自身を除く): 339993388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 113, 125, 140, 175, 226, 250, 350, 452, 500, 565, 625, 700, 791, 875, 1130, 1250, 1582, 1750, 2260, 2500, 2825, 3164, 3500, 3955, 4375, 5650, 7910, 8750, 11300, 12769, 14125, 15820, 17500, 19775, 25538, 28250, 39550, 51076, 56500, 63845, 70625, 79100, 89383, 98875, 127690, 141250, 178766, 197750, 255380, 282500, 319225, 357532, 395500, 446915, 494375, 638450, 893830, 988750, 1276900, 1596125, 1787660, 1977500, 2234575, 3192250, 4469150, 6384500, 7980625, 8938300, 11172875, 15961250, 22345750, 31922500, 44691500, 55864375, 111728750, 223457500]

約数ペア:

[(1, 223457500), (2, 111728750), (4, 55864375), (5, 44691500), (7, 31922500), (10, 22345750), (14, 15961250), (20, 11172875), (25, 8938300), (28, 7980625), (35, 6384500), (50, 4469150), (70, 3192250), (100, 2234575), (113, 1977500), (125, 1787660), (140, 1596125), (175, 1276900), (226, 988750), (250, 893830), (350, 638450), (452, 494375), (500, 446915), (565, 395500), (625, 357532), (700, 319225), (791, 282500), (875, 255380), (1130, 197750), (1250, 178766), (1582, 141250), (1750, 127690), (2260, 98875), (2500, 89383), (2825, 79100), (3164, 70625), (3500, 63845), (3955, 56500), (4375, 51076), (5650, 39550), (7910, 28250), (8750, 25538), (11300, 19775), (12769, 17500), (14125, 15820)]