66678380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3371}}^1$

素因数の和:3446

約数の個数: 48

約数和(自身を含む): 149554944

約数和(自身を除く): 82876564

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3371, 3956, 4945, 6742, 9890, 13484, 16855, 19780, 33710, 67420, 77533, 144953, 155066, 289906, 310132, 387665, 579812, 724765, 775330, 1449530, 1550660, 2899060, 3333919, 6667838, 13335676, 16669595, 33339190, 66678380]

約数ペア:

[(1, 66678380), (2, 33339190), (4, 16669595), (5, 13335676), (10, 6667838), (20, 3333919), (23, 2899060), (43, 1550660), (46, 1449530), (86, 775330), (92, 724765), (115, 579812), (172, 387665), (215, 310132), (230, 289906), (430, 155066), (460, 144953), (860, 77533), (989, 67420), (1978, 33710), (3371, 19780), (3956, 16855), (4945, 13484), (6742, 9890)]