128860180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{677}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 280659456

約数和(自身を除く): 151799276

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 307, 310, 614, 620, 677, 1228, 1354, 1535, 2708, 3070, 3385, 6140, 6770, 9517, 13540, 19034, 20987, 38068, 41974, 47585, 83948, 95170, 104935, 190340, 207839, 209870, 415678, 419740, 831356, 1039195, 2078390, 4156780, 6443009, 12886018, 25772036, 32215045, 64430090, 128860180]

約数ペア:

[(1, 128860180), (2, 64430090), (4, 32215045), (5, 25772036), (10, 12886018), (20, 6443009), (31, 4156780), (62, 2078390), (124, 1039195), (155, 831356), (307, 419740), (310, 415678), (614, 209870), (620, 207839), (677, 190340), (1228, 104935), (1354, 95170), (1535, 83948), (2708, 47585), (3070, 41974), (3385, 38068), (6140, 20987), (6770, 19034), (9517, 13540)]