2445140

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{683}}^1$

素因数の和:871

約数の個数: 24

約数和(自身を含む): 5171040

約数和(自身を除く): 2725900

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 683, 716, 895, 1366, 1790, 2732, 3415, 3580, 6830, 13660, 122257, 244514, 489028, 611285, 1222570, 2445140]

約数ペア:

[(1, 2445140), (2, 1222570), (4, 611285), (5, 489028), (10, 244514), (20, 122257), (179, 13660), (358, 6830), (683, 3580), (716, 3415), (895, 2732), (1366, 1790)]