129745090

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1997}}^1$

素因数の和:2166

約数の個数: 32

約数和(自身を含む): 239520240

約数和(自身を除く): 109775150

約数列:

[1, 2, 5, 10, 73, 89, 146, 178, 365, 445, 730, 890, 1997, 3994, 6497, 9985, 12994, 19970, 32485, 64970, 145781, 177733, 291562, 355466, 728905, 888665, 1457810, 1777330, 12974509, 25949018, 64872545, 129745090]

約数ペア:

[(1, 129745090), (2, 64872545), (5, 25949018), (10, 12974509), (73, 1777330), (89, 1457810), (146, 888665), (178, 728905), (365, 355466), (445, 291562), (730, 177733), (890, 145781), (1997, 64970), (3994, 32485), (6497, 19970), (9985, 12994)]