28398540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{859}}^1$

素因数の和:919

約数の個数: 96

約数和(自身を含む): 86688000

約数和(自身を除く): 58289460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 29, 30, 38, 57, 58, 60, 76, 87, 95, 114, 116, 145, 174, 190, 228, 285, 290, 348, 380, 435, 551, 570, 580, 859, 870, 1102, 1140, 1653, 1718, 1740, 2204, 2577, 2755, 3306, 3436, 4295, 5154, 5510, 6612, 8265, 8590, 10308, 11020, 12885, 16321, 16530, 17180, 24911, 25770, 32642, 33060, 48963, 49822, 51540, 65284, 74733, 81605, 97926, 99644, 124555, 149466, 163210, 195852, 244815, 249110, 298932, 326420, 373665, 473309, 489630, 498220, 747330, 946618, 979260, 1419927, 1494660, 1893236, 2366545, 2839854, 4733090, 5679708, 7099635, 9466180, 14199270, 28398540]

約数ペア:

[(1, 28398540), (2, 14199270), (3, 9466180), (4, 7099635), (5, 5679708), (6, 4733090), (10, 2839854), (12, 2366545), (15, 1893236), (19, 1494660), (20, 1419927), (29, 979260), (30, 946618), (38, 747330), (57, 498220), (58, 489630), (60, 473309), (76, 373665), (87, 326420), (95, 298932), (114, 249110), (116, 244815), (145, 195852), (174, 163210), (190, 149466), (228, 124555), (285, 99644), (290, 97926), (348, 81605), (380, 74733), (435, 65284), (551, 51540), (570, 49822), (580, 48963), (859, 33060), (870, 32642), (1102, 25770), (1140, 24911), (1653, 17180), (1718, 16530), (1740, 16321), (2204, 12885), (2577, 11020), (2755, 10308), (3306, 8590), (3436, 8265), (4295, 6612), (5154, 5510)]