121405240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{275921}}^1$

素因数の和:275943

約数の個数: 32

約数和(自身を含む): 297995760

約数和(自身を除く): 176590520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 275921, 551842, 1103684, 1379605, 2207368, 2759210, 3035131, 5518420, 6070262, 11036840, 12140524, 15175655, 24281048, 30351310, 60702620, 121405240]

約数ペア:

[(1, 121405240), (2, 60702620), (4, 30351310), (5, 24281048), (8, 15175655), (10, 12140524), (11, 11036840), (20, 6070262), (22, 5518420), (40, 3035131), (44, 2759210), (55, 2207368), (88, 1379605), (110, 1103684), (220, 551842), (440, 275921)]