139657000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:380

約数の個数: 128

約数和(自身を含む): 380090880

約数和(自身を除く): 240433880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 71, 100, 125, 140, 142, 175, 200, 250, 280, 281, 284, 350, 355, 497, 500, 562, 568, 700, 710, 875, 994, 1000, 1124, 1400, 1405, 1420, 1750, 1775, 1967, 1988, 2248, 2485, 2810, 2840, 3500, 3550, 3934, 3976, 4970, 5620, 7000, 7025, 7100, 7868, 8875, 9835, 9940, 11240, 12425, 14050, 14200, 15736, 17750, 19670, 19880, 19951, 24850, 28100, 35125, 35500, 39340, 39902, 49175, 49700, 56200, 62125, 70250, 71000, 78680, 79804, 98350, 99400, 99755, 124250, 139657, 140500, 159608, 196700, 199510, 245875, 248500, 279314, 281000, 393400, 399020, 491750, 497000, 498775, 558628, 698285, 798040, 983500, 997550, 1117256, 1396570, 1967000, 1995100, 2493875, 2793140, 3491425, 3990200, 4987750, 5586280, 6982850, 9975500, 13965700, 17457125, 19951000, 27931400, 34914250, 69828500, 139657000]

約数ペア:

[(1, 139657000), (2, 69828500), (4, 34914250), (5, 27931400), (7, 19951000), (8, 17457125), (10, 13965700), (14, 9975500), (20, 6982850), (25, 5586280), (28, 4987750), (35, 3990200), (40, 3491425), (50, 2793140), (56, 2493875), (70, 1995100), (71, 1967000), (100, 1396570), (125, 1117256), (140, 997550), (142, 983500), (175, 798040), (200, 698285), (250, 558628), (280, 498775), (281, 497000), (284, 491750), (350, 399020), (355, 393400), (497, 281000), (500, 279314), (562, 248500), (568, 245875), (700, 199510), (710, 196700), (875, 159608), (994, 140500), (1000, 139657), (1124, 124250), (1400, 99755), (1405, 99400), (1420, 98350), (1750, 79804), (1775, 78680), (1967, 71000), (1988, 70250), (2248, 62125), (2485, 56200), (2810, 49700), (2840, 49175), (3500, 39902), (3550, 39340), (3934, 35500), (3976, 35125), (4970, 28100), (5620, 24850), (7000, 19951), (7025, 19880), (7100, 19670), (7868, 17750), (8875, 15736), (9835, 14200), (9940, 14050), (11240, 12425)]