20171903500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{569}}^1\times {\mathrm{1447}}^1$

素因数の和:2049

約数の個数: 144

約数和(自身を含む): 51373707840

約数和(自身を除く): 31201804340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 569, 700, 875, 980, 1138, 1225, 1447, 1750, 2276, 2450, 2845, 2894, 3500, 3983, 4900, 5690, 5788, 6125, 7235, 7966, 10129, 11380, 12250, 14225, 14470, 15932, 19915, 20258, 24500, 27881, 28450, 28940, 36175, 39830, 40516, 50645, 55762, 56900, 70903, 71125, 72350, 79660, 99575, 101290, 111524, 139405, 141806, 142250, 144700, 180875, 199150, 202580, 253225, 278810, 283612, 284500, 354515, 361750, 398300, 497875, 506450, 557620, 697025, 709030, 723500, 823343, 995750, 1012900, 1266125, 1394050, 1418060, 1646686, 1772575, 1991500, 2532250, 2788100, 3293372, 3485125, 3545150, 4116715, 5064500, 5763401, 6970250, 7090300, 8233430, 8862875, 11526802, 13940500, 16466860, 17725750, 20583575, 23053604, 28817005, 35451500, 40343807, 41167150, 57634010, 80687614, 82334300, 102917875, 115268020, 144085025, 161375228, 201719035, 205835750, 288170050, 403438070, 411671500, 576340100, 720425125, 806876140, 1008595175, 1440850250, 2017190350, 2881700500, 4034380700, 5042975875, 10085951750, 20171903500]

約数ペア:

[(1, 20171903500), (2, 10085951750), (4, 5042975875), (5, 4034380700), (7, 2881700500), (10, 2017190350), (14, 1440850250), (20, 1008595175), (25, 806876140), (28, 720425125), (35, 576340100), (49, 411671500), (50, 403438070), (70, 288170050), (98, 205835750), (100, 201719035), (125, 161375228), (140, 144085025), (175, 115268020), (196, 102917875), (245, 82334300), (250, 80687614), (350, 57634010), (490, 41167150), (500, 40343807), (569, 35451500), (700, 28817005), (875, 23053604), (980, 20583575), (1138, 17725750), (1225, 16466860), (1447, 13940500), (1750, 11526802), (2276, 8862875), (2450, 8233430), (2845, 7090300), (2894, 6970250), (3500, 5763401), (3983, 5064500), (4900, 4116715), (5690, 3545150), (5788, 3485125), (6125, 3293372), (7235, 2788100), (7966, 2532250), (10129, 1991500), (11380, 1772575), (12250, 1646686), (14225, 1418060), (14470, 1394050), (15932, 1266125), (19915, 1012900), (20258, 995750), (24500, 823343), (27881, 723500), (28450, 709030), (28940, 697025), (36175, 557620), (39830, 506450), (40516, 497875), (50645, 398300), (55762, 361750), (56900, 354515), (70903, 284500), (71125, 283612), (72350, 278810), (79660, 253225), (99575, 202580), (101290, 199150), (111524, 180875), (139405, 144700), (141806, 142250)]