28676940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16481}}^1$

素因数の和:16522

約数の個数: 48

約数和(自身を含む): 83069280

約数和(自身を除く): 54392340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 16481, 32962, 49443, 65924, 82405, 98886, 164810, 197772, 247215, 329620, 477949, 494430, 955898, 988860, 1433847, 1911796, 2389745, 2867694, 4779490, 5735388, 7169235, 9558980, 14338470, 28676940]

約数ペア:

[(1, 28676940), (2, 14338470), (3, 9558980), (4, 7169235), (5, 5735388), (6, 4779490), (10, 2867694), (12, 2389745), (15, 1911796), (20, 1433847), (29, 988860), (30, 955898), (58, 494430), (60, 477949), (87, 329620), (116, 247215), (145, 197772), (174, 164810), (290, 98886), (348, 82405), (435, 65924), (580, 49443), (870, 32962), (1740, 16481)]