168731500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 144

約数和(自身を含む): 439193664

約数和(自身を除く): 270462164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 71, 97, 98, 100, 125, 140, 142, 175, 194, 196, 245, 250, 284, 350, 355, 388, 485, 490, 497, 500, 679, 700, 710, 875, 970, 980, 994, 1225, 1358, 1420, 1750, 1775, 1940, 1988, 2425, 2450, 2485, 2716, 3395, 3479, 3500, 3550, 4753, 4850, 4900, 4970, 6125, 6790, 6887, 6958, 7100, 8875, 9506, 9700, 9940, 12125, 12250, 12425, 13580, 13774, 13916, 16975, 17395, 17750, 19012, 23765, 24250, 24500, 24850, 27548, 33950, 34435, 34790, 35500, 47530, 48209, 48500, 49700, 62125, 67900, 68870, 69580, 84875, 86975, 95060, 96418, 118825, 124250, 137740, 169750, 172175, 173950, 192836, 237650, 241045, 248500, 337463, 339500, 344350, 347900, 434875, 475300, 482090, 594125, 674926, 688700, 860875, 869750, 964180, 1188250, 1205225, 1349852, 1687315, 1721750, 1739500, 2376500, 2410450, 3374630, 3443500, 4820900, 6026125, 6749260, 8436575, 12052250, 16873150, 24104500, 33746300, 42182875, 84365750, 168731500]

約数ペア:

[(1, 168731500), (2, 84365750), (4, 42182875), (5, 33746300), (7, 24104500), (10, 16873150), (14, 12052250), (20, 8436575), (25, 6749260), (28, 6026125), (35, 4820900), (49, 3443500), (50, 3374630), (70, 2410450), (71, 2376500), (97, 1739500), (98, 1721750), (100, 1687315), (125, 1349852), (140, 1205225), (142, 1188250), (175, 964180), (194, 869750), (196, 860875), (245, 688700), (250, 674926), (284, 594125), (350, 482090), (355, 475300), (388, 434875), (485, 347900), (490, 344350), (497, 339500), (500, 337463), (679, 248500), (700, 241045), (710, 237650), (875, 192836), (970, 173950), (980, 172175), (994, 169750), (1225, 137740), (1358, 124250), (1420, 118825), (1750, 96418), (1775, 95060), (1940, 86975), (1988, 84875), (2425, 69580), (2450, 68870), (2485, 67900), (2716, 62125), (3395, 49700), (3479, 48500), (3500, 48209), (3550, 47530), (4753, 35500), (4850, 34790), (4900, 34435), (4970, 33950), (6125, 27548), (6790, 24850), (6887, 24500), (6958, 24250), (7100, 23765), (8875, 19012), (9506, 17750), (9700, 17395), (9940, 16975), (12125, 13916), (12250, 13774), (12425, 13580)]