51107140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1637}}^1$

素因数の和:1876

約数の個数: 48

約数和(自身を含む): 123282432

約数和(自身を除く): 72175292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 1637, 2230, 3122, 3274, 4460, 6244, 6548, 7805, 8185, 11459, 15610, 16370, 22918, 31220, 32740, 45836, 57295, 114590, 229180, 365051, 730102, 1460204, 1825255, 2555357, 3650510, 5110714, 7301020, 10221428, 12776785, 25553570, 51107140]

約数ペア:

[(1, 51107140), (2, 25553570), (4, 12776785), (5, 10221428), (7, 7301020), (10, 5110714), (14, 3650510), (20, 2555357), (28, 1825255), (35, 1460204), (70, 730102), (140, 365051), (223, 229180), (446, 114590), (892, 57295), (1115, 45836), (1561, 32740), (1637, 31220), (2230, 22918), (3122, 16370), (3274, 15610), (4460, 11459), (6244, 8185), (6548, 7805)]