770534020

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1\times {\mathrm{1163}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 1637552448

約数和(自身を除く): 867018428

約数列:

[1, 2, 4, 5, 10, 20, 157, 211, 314, 422, 628, 785, 844, 1055, 1163, 1570, 2110, 2326, 3140, 4220, 4652, 5815, 11630, 23260, 33127, 66254, 132508, 165635, 182591, 245393, 331270, 365182, 490786, 662540, 730364, 912955, 981572, 1226965, 1825910, 2453930, 3651820, 4907860, 38526701, 77053402, 154106804, 192633505, 385267010, 770534020]

約数ペア:

[(1, 770534020), (2, 385267010), (4, 192633505), (5, 154106804), (10, 77053402), (20, 38526701), (157, 4907860), (211, 3651820), (314, 2453930), (422, 1825910), (628, 1226965), (785, 981572), (844, 912955), (1055, 730364), (1163, 662540), (1570, 490786), (2110, 365182), (2326, 331270), (3140, 245393), (4220, 182591), (4652, 165635), (5815, 132508), (11630, 66254), (23260, 33127)]