2002997500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:318

約数の個数: 180

約数和(自身を含む): 5182847208

約数和(自身を除く): 3179849708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 83, 98, 100, 125, 140, 166, 175, 196, 197, 245, 250, 332, 350, 394, 415, 490, 500, 581, 625, 700, 788, 830, 875, 980, 985, 1162, 1225, 1250, 1379, 1660, 1750, 1970, 2075, 2324, 2450, 2500, 2758, 2905, 3500, 3940, 4067, 4150, 4375, 4900, 4925, 5516, 5810, 6125, 6895, 8134, 8300, 8750, 9653, 9850, 10375, 11620, 12250, 13790, 14525, 16268, 16351, 17500, 19306, 19700, 20335, 20750, 24500, 24625, 27580, 29050, 30625, 32702, 34475, 38612, 40670, 41500, 48265, 49250, 51875, 58100, 61250, 65404, 68950, 72625, 81340, 81755, 96530, 98500, 101675, 103750, 114457, 122500, 123125, 137900, 145250, 163510, 172375, 193060, 203350, 207500, 228914, 241325, 246250, 290500, 327020, 344750, 363125, 406700, 408775, 457828, 482650, 492500, 508375, 572285, 689500, 726250, 801199, 817550, 861875, 965300, 1016750, 1144570, 1206625, 1452500, 1602398, 1635100, 1723750, 2033500, 2043875, 2289140, 2413250, 2541875, 2861425, 3204796, 3447500, 4005995, 4087750, 4826500, 5083750, 5722850, 6033125, 8011990, 8175500, 10167500, 10219375, 11445700, 12066250, 14307125, 16023980, 20029975, 20438750, 24132500, 28614250, 40059950, 40877500, 57228500, 71535625, 80119900, 100149875, 143071250, 200299750, 286142500, 400599500, 500749375, 1001498750, 2002997500]

約数ペア:

[(1, 2002997500), (2, 1001498750), (4, 500749375), (5, 400599500), (7, 286142500), (10, 200299750), (14, 143071250), (20, 100149875), (25, 80119900), (28, 71535625), (35, 57228500), (49, 40877500), (50, 40059950), (70, 28614250), (83, 24132500), (98, 20438750), (100, 20029975), (125, 16023980), (140, 14307125), (166, 12066250), (175, 11445700), (196, 10219375), (197, 10167500), (245, 8175500), (250, 8011990), (332, 6033125), (350, 5722850), (394, 5083750), (415, 4826500), (490, 4087750), (500, 4005995), (581, 3447500), (625, 3204796), (700, 2861425), (788, 2541875), (830, 2413250), (875, 2289140), (980, 2043875), (985, 2033500), (1162, 1723750), (1225, 1635100), (1250, 1602398), (1379, 1452500), (1660, 1206625), (1750, 1144570), (1970, 1016750), (2075, 965300), (2324, 861875), (2450, 817550), (2500, 801199), (2758, 726250), (2905, 689500), (3500, 572285), (3940, 508375), (4067, 492500), (4150, 482650), (4375, 457828), (4900, 408775), (4925, 406700), (5516, 363125), (5810, 344750), (6125, 327020), (6895, 290500), (8134, 246250), (8300, 241325), (8750, 228914), (9653, 207500), (9850, 203350), (10375, 193060), (11620, 172375), (12250, 163510), (13790, 145250), (14525, 137900), (16268, 123125), (16351, 122500), (17500, 114457), (19306, 103750), (19700, 101675), (20335, 98500), (20750, 96530), (24500, 81755), (24625, 81340), (27580, 72625), (29050, 68950), (30625, 65404), (32702, 61250), (34475, 58100), (38612, 51875), (40670, 49250), (41500, 48265)]