348501920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1279}}^1$

素因数の和:1438

約数の個数: 96

約数和(自身を含む): 894136320

約数和(自身を除く): 545634400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 131, 160, 208, 260, 262, 416, 520, 524, 655, 1040, 1048, 1279, 1310, 1703, 2080, 2096, 2558, 2620, 3406, 4192, 5116, 5240, 6395, 6812, 8515, 10232, 10480, 12790, 13624, 16627, 17030, 20464, 20960, 25580, 27248, 33254, 34060, 40928, 51160, 54496, 66508, 68120, 83135, 102320, 133016, 136240, 166270, 167549, 204640, 266032, 272480, 332540, 335098, 532064, 665080, 670196, 837745, 1330160, 1340392, 1675490, 2178137, 2660320, 2680784, 3350980, 4356274, 5361568, 6701960, 8712548, 10890685, 13403920, 17425096, 21781370, 26807840, 34850192, 43562740, 69700384, 87125480, 174250960, 348501920]

約数ペア:

[(1, 348501920), (2, 174250960), (4, 87125480), (5, 69700384), (8, 43562740), (10, 34850192), (13, 26807840), (16, 21781370), (20, 17425096), (26, 13403920), (32, 10890685), (40, 8712548), (52, 6701960), (65, 5361568), (80, 4356274), (104, 3350980), (130, 2680784), (131, 2660320), (160, 2178137), (208, 1675490), (260, 1340392), (262, 1330160), (416, 837745), (520, 670196), (524, 665080), (655, 532064), (1040, 335098), (1048, 332540), (1279, 272480), (1310, 266032), (1703, 204640), (2080, 167549), (2096, 166270), (2558, 136240), (2620, 133016), (3406, 102320), (4192, 83135), (5116, 68120), (5240, 66508), (6395, 54496), (6812, 51160), (8515, 40928), (10232, 34060), (10480, 33254), (12790, 27248), (13624, 25580), (16627, 20960), (17030, 20464)]