764802140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{626887}}^1$

素因数の和:626957

約数の個数: 24

約数和(自身を含む): 1632416352

約数和(自身を除く): 867614212

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 626887, 1253774, 2507548, 3134435, 6268870, 12537740, 38240107, 76480214, 152960428, 191200535, 382401070, 764802140]

約数ペア:

[(1, 764802140), (2, 382401070), (4, 191200535), (5, 152960428), (10, 76480214), (20, 38240107), (61, 12537740), (122, 6268870), (244, 3134435), (305, 2507548), (610, 1253774), (1220, 626887)]