27734420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{499}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 66864000

約数和(自身を除く): 39129580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 499, 794, 998, 1588, 1985, 1996, 2495, 2779, 3493, 3970, 4990, 5558, 6986, 7940, 9980, 11116, 13895, 13972, 17465, 27790, 34930, 55580, 69860, 198103, 396206, 792412, 990515, 1386721, 1981030, 2773442, 3962060, 5546884, 6933605, 13867210, 27734420]

約数ペア:

[(1, 27734420), (2, 13867210), (4, 6933605), (5, 5546884), (7, 3962060), (10, 2773442), (14, 1981030), (20, 1386721), (28, 990515), (35, 792412), (70, 396206), (140, 198103), (397, 69860), (499, 55580), (794, 34930), (998, 27790), (1588, 17465), (1985, 13972), (1996, 13895), (2495, 11116), (2779, 9980), (3493, 7940), (3970, 6986), (4990, 5558)]