4990980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 14079744

約数和(自身を除く): 9088764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 193, 386, 431, 579, 772, 862, 965, 1158, 1293, 1724, 1930, 2155, 2316, 2586, 2895, 3860, 4310, 5172, 5790, 6465, 8620, 11580, 12930, 25860, 83183, 166366, 249549, 332732, 415915, 499098, 831830, 998196, 1247745, 1663660, 2495490, 4990980]

約数ペア:

[(1, 4990980), (2, 2495490), (3, 1663660), (4, 1247745), (5, 998196), (6, 831830), (10, 499098), (12, 415915), (15, 332732), (20, 249549), (30, 166366), (60, 83183), (193, 25860), (386, 12930), (431, 11580), (579, 8620), (772, 6465), (862, 5790), (965, 5172), (1158, 4310), (1293, 3860), (1724, 2895), (1930, 2586), (2155, 2316)]