149796680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{340447}}^1$

素因数の和:340469

約数の個数: 32

約数和(自身を含む): 367683840

約数和(自身を除く): 217887160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 340447, 680894, 1361788, 1702235, 2723576, 3404470, 3744917, 6808940, 7489834, 13617880, 14979668, 18724585, 29959336, 37449170, 74898340, 149796680]

約数ペア:

[(1, 149796680), (2, 74898340), (4, 37449170), (5, 29959336), (8, 18724585), (10, 14979668), (11, 13617880), (20, 7489834), (22, 6808940), (40, 3744917), (44, 3404470), (55, 2723576), (88, 1702235), (110, 1361788), (220, 680894), (440, 340447)]