290429480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{660067}}^1$

素因数の和:660089

約数の個数: 32

約数和(自身を含む): 712873440

約数和(自身を除く): 422443960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 660067, 1320134, 2640268, 3300335, 5280536, 6600670, 7260737, 13201340, 14521474, 26402680, 29042948, 36303685, 58085896, 72607370, 145214740, 290429480]

約数ペア:

[(1, 290429480), (2, 145214740), (4, 72607370), (5, 58085896), (8, 36303685), (10, 29042948), (11, 26402680), (20, 14521474), (22, 13201340), (40, 7260737), (44, 6600670), (55, 5280536), (88, 3300335), (110, 2640268), (220, 1320134), (440, 660067)]