121519640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{276181}}^1$

素因数の和:276203

約数の個数: 32

約数和(自身を含む): 298276560

約数和(自身を除く): 176756920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 276181, 552362, 1104724, 1380905, 2209448, 2761810, 3037991, 5523620, 6075982, 11047240, 12151964, 15189955, 24303928, 30379910, 60759820, 121519640]

約数ペア:

[(1, 121519640), (2, 60759820), (4, 30379910), (5, 24303928), (8, 15189955), (10, 12151964), (11, 11047240), (20, 6075982), (22, 5523620), (40, 3037991), (44, 2761810), (55, 2209448), (88, 1380905), (110, 1104724), (220, 552362), (440, 276181)]