18417700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 46372032

約数和(自身を除く): 27954332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 83, 100, 140, 166, 175, 317, 332, 350, 415, 581, 634, 700, 830, 1162, 1268, 1585, 1660, 2075, 2219, 2324, 2905, 3170, 4150, 4438, 5810, 6340, 7925, 8300, 8876, 11095, 11620, 14525, 15850, 22190, 26311, 29050, 31700, 44380, 52622, 55475, 58100, 105244, 110950, 131555, 184177, 221900, 263110, 368354, 526220, 657775, 736708, 920885, 1315550, 1841770, 2631100, 3683540, 4604425, 9208850, 18417700]

約数ペア:

[(1, 18417700), (2, 9208850), (4, 4604425), (5, 3683540), (7, 2631100), (10, 1841770), (14, 1315550), (20, 920885), (25, 736708), (28, 657775), (35, 526220), (50, 368354), (70, 263110), (83, 221900), (100, 184177), (140, 131555), (166, 110950), (175, 105244), (317, 58100), (332, 55475), (350, 52622), (415, 44380), (581, 31700), (634, 29050), (700, 26311), (830, 22190), (1162, 15850), (1268, 14525), (1585, 11620), (1660, 11095), (2075, 8876), (2219, 8300), (2324, 7925), (2905, 6340), (3170, 5810), (4150, 4438)]