1260740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{373}}^1$

素因数の和:408

約数の個数: 36

約数和(自身を含む): 2874564

約数和(自身を除く): 1613824

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 373, 676, 746, 845, 1492, 1690, 1865, 3380, 3730, 4849, 7460, 9698, 19396, 24245, 48490, 63037, 96980, 126074, 252148, 315185, 630370, 1260740]

約数ペア:

[(1, 1260740), (2, 630370), (4, 315185), (5, 252148), (10, 126074), (13, 96980), (20, 63037), (26, 48490), (52, 24245), (65, 19396), (130, 9698), (169, 7460), (260, 4849), (338, 3730), (373, 3380), (676, 1865), (746, 1690), (845, 1492)]