489372920

素因数分解:

$2^3\times 5^1\times {\mathrm{3457}}^1\times {\mathrm{3539}}^1$

素因数の和:7007

約数の個数: 32

約数和(自身を含む): 1101718800

約数和(自身を除く): 612345880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3457, 3539, 6914, 7078, 13828, 14156, 17285, 17695, 27656, 28312, 34570, 35390, 69140, 70780, 138280, 141560, 12234323, 24468646, 48937292, 61171615, 97874584, 122343230, 244686460, 489372920]

約数ペア:

[(1, 489372920), (2, 244686460), (4, 122343230), (5, 97874584), (8, 61171615), (10, 48937292), (20, 24468646), (40, 12234323), (3457, 141560), (3539, 138280), (6914, 70780), (7078, 69140), (13828, 35390), (14156, 34570), (17285, 28312), (17695, 27656)]