2531620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 6640704

約数和(自身を除く): 4109084

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 107, 130, 140, 169, 182, 214, 260, 338, 364, 428, 455, 535, 676, 749, 845, 910, 1070, 1183, 1391, 1498, 1690, 1820, 2140, 2366, 2782, 2996, 3380, 3745, 4732, 5564, 5915, 6955, 7490, 9737, 11830, 13910, 14980, 18083, 19474, 23660, 27820, 36166, 38948, 48685, 72332, 90415, 97370, 126581, 180830, 194740, 253162, 361660, 506324, 632905, 1265810, 2531620]

約数ペア:

[(1, 2531620), (2, 1265810), (4, 632905), (5, 506324), (7, 361660), (10, 253162), (13, 194740), (14, 180830), (20, 126581), (26, 97370), (28, 90415), (35, 72332), (52, 48685), (65, 38948), (70, 36166), (91, 27820), (107, 23660), (130, 19474), (140, 18083), (169, 14980), (182, 13910), (214, 11830), (260, 9737), (338, 7490), (364, 6955), (428, 5915), (455, 5564), (535, 4732), (676, 3745), (749, 3380), (845, 2996), (910, 2782), (1070, 2366), (1183, 2140), (1391, 1820), (1498, 1690)]