28803760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^2\times {\mathrm{263}}^1$

素因数の和:350

約数の個数: 60

約数和(自身を含む): 69089328

約数和(自身を除く): 40285568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 263, 296, 370, 526, 592, 740, 1052, 1315, 1369, 1480, 2104, 2630, 2738, 2960, 4208, 5260, 5476, 6845, 9731, 10520, 10952, 13690, 19462, 21040, 21904, 27380, 38924, 48655, 54760, 77848, 97310, 109520, 155696, 194620, 360047, 389240, 720094, 778480, 1440188, 1800235, 2880376, 3600470, 5760752, 7200940, 14401880, 28803760]

約数ペア:

[(1, 28803760), (2, 14401880), (4, 7200940), (5, 5760752), (8, 3600470), (10, 2880376), (16, 1800235), (20, 1440188), (37, 778480), (40, 720094), (74, 389240), (80, 360047), (148, 194620), (185, 155696), (263, 109520), (296, 97310), (370, 77848), (526, 54760), (592, 48655), (740, 38924), (1052, 27380), (1315, 21904), (1369, 21040), (1480, 19462), (2104, 13690), (2630, 10952), (2738, 10520), (2960, 9731), (4208, 6845), (5260, 5476)]