140437720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{121067}}^1$

素因数の和:121107

約数の個数: 32

約数和(自身を含む): 326883600

約数和(自身を除く): 186445880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 121067, 242134, 484268, 605335, 968536, 1210670, 2421340, 3510943, 4842680, 7021886, 14043772, 17554715, 28087544, 35109430, 70218860, 140437720]

約数ペア:

[(1, 140437720), (2, 70218860), (4, 35109430), (5, 28087544), (8, 17554715), (10, 14043772), (20, 7021886), (29, 4842680), (40, 3510943), (58, 2421340), (116, 1210670), (145, 968536), (232, 605335), (290, 484268), (580, 242134), (1160, 121067)]