218179750

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 425393280

約数和(自身を除く): 207213530

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 103, 125, 185, 206, 229, 250, 370, 458, 515, 925, 1030, 1145, 1850, 2290, 2575, 3811, 4625, 5150, 5725, 7622, 8473, 9250, 11450, 12875, 16946, 19055, 23587, 25750, 28625, 38110, 42365, 47174, 57250, 84730, 95275, 117935, 190550, 211825, 235870, 423650, 476375, 589675, 872719, 952750, 1059125, 1179350, 1745438, 2118250, 2948375, 4363595, 5896750, 8727190, 21817975, 43635950, 109089875, 218179750]

約数ペア:

[(1, 218179750), (2, 109089875), (5, 43635950), (10, 21817975), (25, 8727190), (37, 5896750), (50, 4363595), (74, 2948375), (103, 2118250), (125, 1745438), (185, 1179350), (206, 1059125), (229, 952750), (250, 872719), (370, 589675), (458, 476375), (515, 423650), (925, 235870), (1030, 211825), (1145, 190550), (1850, 117935), (2290, 95275), (2575, 84730), (3811, 57250), (4625, 47174), (5150, 42365), (5725, 38110), (7622, 28625), (8473, 25750), (9250, 23587), (11450, 19055), (12875, 16946)]