212135800

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:425

約数の個数: 96

約数和(自身を含む): 513136800

約数和(自身を除く): 301001000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 109, 148, 185, 200, 218, 263, 296, 370, 436, 526, 545, 740, 872, 925, 1052, 1090, 1315, 1480, 1850, 2104, 2180, 2630, 2725, 3700, 4033, 4360, 5260, 5450, 6575, 7400, 8066, 9731, 10520, 10900, 13150, 16132, 19462, 20165, 21800, 26300, 28667, 32264, 38924, 40330, 48655, 52600, 57334, 77848, 80660, 97310, 100825, 114668, 143335, 161320, 194620, 201650, 229336, 243275, 286670, 389240, 403300, 486550, 573340, 716675, 806600, 973100, 1060679, 1146680, 1433350, 1946200, 2121358, 2866700, 4242716, 5303395, 5733400, 8485432, 10606790, 21213580, 26516975, 42427160, 53033950, 106067900, 212135800]

約数ペア:

[(1, 212135800), (2, 106067900), (4, 53033950), (5, 42427160), (8, 26516975), (10, 21213580), (20, 10606790), (25, 8485432), (37, 5733400), (40, 5303395), (50, 4242716), (74, 2866700), (100, 2121358), (109, 1946200), (148, 1433350), (185, 1146680), (200, 1060679), (218, 973100), (263, 806600), (296, 716675), (370, 573340), (436, 486550), (526, 403300), (545, 389240), (740, 286670), (872, 243275), (925, 229336), (1052, 201650), (1090, 194620), (1315, 161320), (1480, 143335), (1850, 114668), (2104, 100825), (2180, 97310), (2630, 80660), (2725, 77848), (3700, 57334), (4033, 52600), (4360, 48655), (5260, 40330), (5450, 38924), (6575, 32264), (7400, 28667), (8066, 26300), (9731, 21800), (10520, 20165), (10900, 19462), (13150, 16132)]