304885000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:345

約数の個数: 160

約数和(自身を含む): 845729280

約数和(自身を除く): 540844280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 100, 124, 125, 140, 155, 175, 200, 217, 248, 250, 280, 281, 310, 350, 434, 500, 562, 620, 625, 700, 775, 868, 875, 1000, 1085, 1124, 1240, 1250, 1400, 1405, 1550, 1736, 1750, 1967, 2170, 2248, 2500, 2810, 3100, 3500, 3875, 3934, 4340, 4375, 5000, 5425, 5620, 6200, 7000, 7025, 7750, 7868, 8680, 8711, 8750, 9835, 10850, 11240, 14050, 15500, 15736, 17422, 17500, 19375, 19670, 21700, 27125, 28100, 31000, 34844, 35000, 35125, 38750, 39340, 43400, 43555, 49175, 54250, 56200, 60977, 69688, 70250, 77500, 78680, 87110, 98350, 108500, 121954, 135625, 140500, 155000, 174220, 175625, 196700, 217000, 217775, 243908, 245875, 271250, 281000, 304885, 348440, 351250, 393400, 435550, 487816, 491750, 542500, 609770, 702500, 871100, 983500, 1085000, 1088875, 1219540, 1229375, 1405000, 1524425, 1742200, 1967000, 2177750, 2439080, 2458750, 3048850, 4355500, 4917500, 5444375, 6097700, 7622125, 8711000, 9835000, 10888750, 12195400, 15244250, 21777500, 30488500, 38110625, 43555000, 60977000, 76221250, 152442500, 304885000]

約数ペア:

[(1, 304885000), (2, 152442500), (4, 76221250), (5, 60977000), (7, 43555000), (8, 38110625), (10, 30488500), (14, 21777500), (20, 15244250), (25, 12195400), (28, 10888750), (31, 9835000), (35, 8711000), (40, 7622125), (50, 6097700), (56, 5444375), (62, 4917500), (70, 4355500), (100, 3048850), (124, 2458750), (125, 2439080), (140, 2177750), (155, 1967000), (175, 1742200), (200, 1524425), (217, 1405000), (248, 1229375), (250, 1219540), (280, 1088875), (281, 1085000), (310, 983500), (350, 871100), (434, 702500), (500, 609770), (562, 542500), (620, 491750), (625, 487816), (700, 435550), (775, 393400), (868, 351250), (875, 348440), (1000, 304885), (1085, 281000), (1124, 271250), (1240, 245875), (1250, 243908), (1400, 217775), (1405, 217000), (1550, 196700), (1736, 175625), (1750, 174220), (1967, 155000), (2170, 140500), (2248, 135625), (2500, 121954), (2810, 108500), (3100, 98350), (3500, 87110), (3875, 78680), (3934, 77500), (4340, 70250), (4375, 69688), (5000, 60977), (5425, 56200), (5620, 54250), (6200, 49175), (7000, 43555), (7025, 43400), (7750, 39340), (7868, 38750), (8680, 35125), (8711, 35000), (8750, 34844), (9835, 31000), (10850, 28100), (11240, 27125), (14050, 21700), (15500, 19670), (15736, 19375), (17422, 17500)]