28507020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12841}}^1$

素因数の和:12890

約数の個数: 48

約数和(自身を含む): 81983328

約数和(自身を除く): 53476308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 12841, 25682, 38523, 51364, 64205, 77046, 128410, 154092, 192615, 256820, 385230, 475117, 770460, 950234, 1425351, 1900468, 2375585, 2850702, 4751170, 5701404, 7126755, 9502340, 14253510, 28507020]

約数ペア:

[(1, 28507020), (2, 14253510), (3, 9502340), (4, 7126755), (5, 5701404), (6, 4751170), (10, 2850702), (12, 2375585), (15, 1900468), (20, 1425351), (30, 950234), (37, 770460), (60, 475117), (74, 385230), (111, 256820), (148, 192615), (185, 154092), (222, 128410), (370, 77046), (444, 64205), (555, 51364), (740, 38523), (1110, 25682), (2220, 12841)]