7885340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 17363808

約数和(自身を除く): 9478468

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 173, 212, 215, 265, 346, 430, 530, 692, 860, 865, 1060, 1730, 2279, 3460, 4558, 7439, 9116, 9169, 11395, 14878, 18338, 22790, 29756, 36676, 37195, 45580, 45845, 74390, 91690, 148780, 183380, 394267, 788534, 1577068, 1971335, 3942670, 7885340]

約数ペア:

[(1, 7885340), (2, 3942670), (4, 1971335), (5, 1577068), (10, 788534), (20, 394267), (43, 183380), (53, 148780), (86, 91690), (106, 74390), (172, 45845), (173, 45580), (212, 37195), (215, 36676), (265, 29756), (346, 22790), (430, 18338), (530, 14878), (692, 11395), (860, 9169), (865, 9116), (1060, 7439), (1730, 4558), (2279, 3460)]