242568140

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{1153}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 520740192

約数和(自身を除く): 278172052

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 157, 268, 314, 335, 628, 670, 785, 1153, 1340, 1570, 2306, 3140, 4612, 5765, 10519, 11530, 21038, 23060, 42076, 52595, 77251, 105190, 154502, 181021, 210380, 309004, 362042, 386255, 724084, 772510, 905105, 1545020, 1810210, 3620420, 12128407, 24256814, 48513628, 60642035, 121284070, 242568140]

約数ペア:

[(1, 242568140), (2, 121284070), (4, 60642035), (5, 48513628), (10, 24256814), (20, 12128407), (67, 3620420), (134, 1810210), (157, 1545020), (268, 905105), (314, 772510), (335, 724084), (628, 386255), (670, 362042), (785, 309004), (1153, 210380), (1340, 181021), (1570, 154502), (2306, 105190), (3140, 77251), (4612, 52595), (5765, 42076), (10519, 23060), (11530, 21038)]