722277740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{42437}}^1$

素因数の和:42506

約数の個数: 48

約数和(自身を含む): 1625545152

約数和(自身を除く): 903267412

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1702, 3404, 4255, 8510, 17020, 42437, 84874, 169748, 212185, 424370, 848740, 976051, 1570169, 1952102, 3140338, 3904204, 4880255, 6280676, 7850845, 9760510, 15701690, 19521020, 31403380, 36113887, 72227774, 144455548, 180569435, 361138870, 722277740]

約数ペア:

[(1, 722277740), (2, 361138870), (4, 180569435), (5, 144455548), (10, 72227774), (20, 36113887), (23, 31403380), (37, 19521020), (46, 15701690), (74, 9760510), (92, 7850845), (115, 6280676), (148, 4880255), (185, 3904204), (230, 3140338), (370, 1952102), (460, 1570169), (740, 976051), (851, 848740), (1702, 424370), (3404, 212185), (4255, 169748), (8510, 84874), (17020, 42437)]