12990700

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{3511}}^1$

素因数の和:3562

約数の個数: 36

約数和(自身を含む): 28959952

約数和(自身を除く): 15969252

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 925, 1850, 3511, 3700, 7022, 14044, 17555, 35110, 70220, 87775, 129907, 175550, 259814, 351100, 519628, 649535, 1299070, 2598140, 3247675, 6495350, 12990700]

約数ペア:

[(1, 12990700), (2, 6495350), (4, 3247675), (5, 2598140), (10, 1299070), (20, 649535), (25, 519628), (37, 351100), (50, 259814), (74, 175550), (100, 129907), (148, 87775), (185, 70220), (370, 35110), (740, 17555), (925, 14044), (1850, 7022), (3511, 3700)]