28398420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157769}}^1$

素因数の和:157784

約数の個数: 36

約数和(自身を含む): 86142420

約数和(自身を除く): 57744000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 157769, 315538, 473307, 631076, 788845, 946614, 1419921, 1577690, 1893228, 2366535, 2839842, 3155380, 4733070, 5679684, 7099605, 9466140, 14199210, 28398420]

約数ペア:

[(1, 28398420), (2, 14199210), (3, 9466140), (4, 7099605), (5, 5679684), (6, 4733070), (9, 3155380), (10, 2839842), (12, 2366535), (15, 1893228), (18, 1577690), (20, 1419921), (30, 946614), (36, 788845), (45, 631076), (60, 473307), (90, 315538), (180, 157769)]