639586810

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{36779}}^1$

素因数の和:36870

約数の個数: 32

約数和(自身を含む): 1207560960

約数和(自身を除く): 567974150

約数列:

[1, 2, 5, 10, 37, 47, 74, 94, 185, 235, 370, 470, 1739, 3478, 8695, 17390, 36779, 73558, 183895, 367790, 1360823, 1728613, 2721646, 3457226, 6804115, 8643065, 13608230, 17286130, 63958681, 127917362, 319793405, 639586810]

約数ペア:

[(1, 639586810), (2, 319793405), (5, 127917362), (10, 63958681), (37, 17286130), (47, 13608230), (74, 8643065), (94, 6804115), (185, 3457226), (235, 2721646), (370, 1728613), (470, 1360823), (1739, 367790), (3478, 183895), (8695, 73558), (17390, 36779)]