243352180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{1153}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 522872784

約数和(自身を除く): 279520604

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 173, 244, 305, 346, 610, 692, 865, 1153, 1220, 1730, 2306, 3460, 4612, 5765, 10553, 11530, 21106, 23060, 42212, 52765, 70333, 105530, 140666, 199469, 211060, 281332, 351665, 398938, 703330, 797876, 997345, 1406660, 1994690, 3989380, 12167609, 24335218, 48670436, 60838045, 121676090, 243352180]

約数ペア:

[(1, 243352180), (2, 121676090), (4, 60838045), (5, 48670436), (10, 24335218), (20, 12167609), (61, 3989380), (122, 1994690), (173, 1406660), (244, 997345), (305, 797876), (346, 703330), (610, 398938), (692, 351665), (865, 281332), (1153, 211060), (1220, 199469), (1730, 140666), (2306, 105530), (3460, 70333), (4612, 52765), (5765, 42212), (10553, 23060), (11530, 21106)]