193897620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{153887}}^1$

素因数の和:153909

約数の個数: 72

約数和(自身を含む): 672182784

約数和(自身を除く): 478285164

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 153887, 307774, 461661, 615548, 769435, 923322, 1077209, 1384983, 1538870, 1846644, 2154418, 2308305, 2769966, 3077740, 3231627, 4308836, 4616610, 5386045, 5539932, 6463254, 6924915, 9233220, 9694881, 10772090, 12926508, 13849830, 16158135, 19389762, 21544180, 27699660, 32316270, 38779524, 48474405, 64632540, 96948810, 193897620]

約数ペア:

[(1, 193897620), (2, 96948810), (3, 64632540), (4, 48474405), (5, 38779524), (6, 32316270), (7, 27699660), (9, 21544180), (10, 19389762), (12, 16158135), (14, 13849830), (15, 12926508), (18, 10772090), (20, 9694881), (21, 9233220), (28, 6924915), (30, 6463254), (35, 5539932), (36, 5386045), (42, 4616610), (45, 4308836), (60, 3231627), (63, 3077740), (70, 2769966), (84, 2308305), (90, 2154418), (105, 1846644), (126, 1538870), (140, 1384983), (180, 1077209), (210, 923322), (252, 769435), (315, 615548), (420, 461661), (630, 307774), (1260, 153887)]