80119900

素因数分解:

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

素因数の和:308

約数の個数: 108

約数和(自身を含む): 205721208

約数和(自身を除く): 125601308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 83, 98, 100, 140, 166, 175, 196, 197, 245, 332, 350, 394, 415, 490, 581, 700, 788, 830, 980, 985, 1162, 1225, 1379, 1660, 1970, 2075, 2324, 2450, 2758, 2905, 3940, 4067, 4150, 4900, 4925, 5516, 5810, 6895, 8134, 8300, 9653, 9850, 11620, 13790, 14525, 16268, 16351, 19306, 19700, 20335, 27580, 29050, 32702, 34475, 38612, 40670, 48265, 58100, 65404, 68950, 81340, 81755, 96530, 101675, 114457, 137900, 163510, 193060, 203350, 228914, 241325, 327020, 406700, 408775, 457828, 482650, 572285, 801199, 817550, 965300, 1144570, 1602398, 1635100, 2289140, 2861425, 3204796, 4005995, 5722850, 8011990, 11445700, 16023980, 20029975, 40059950, 80119900]

約数ペア:

[(1, 80119900), (2, 40059950), (4, 20029975), (5, 16023980), (7, 11445700), (10, 8011990), (14, 5722850), (20, 4005995), (25, 3204796), (28, 2861425), (35, 2289140), (49, 1635100), (50, 1602398), (70, 1144570), (83, 965300), (98, 817550), (100, 801199), (140, 572285), (166, 482650), (175, 457828), (196, 408775), (197, 406700), (245, 327020), (332, 241325), (350, 228914), (394, 203350), (415, 193060), (490, 163510), (581, 137900), (700, 114457), (788, 101675), (830, 96530), (980, 81755), (985, 81340), (1162, 68950), (1225, 65404), (1379, 58100), (1660, 48265), (1970, 40670), (2075, 38612), (2324, 34475), (2450, 32702), (2758, 29050), (2905, 27580), (3940, 20335), (4067, 19700), (4150, 19306), (4900, 16351), (4925, 16268), (5516, 14525), (5810, 13790), (6895, 11620), (8134, 9850), (8300, 9653)]