138421220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{3119}}^1$

素因数の和:3452

約数の個数: 48

約数和(自身を含む): 333365760

約数和(自身を除く): 194944540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 317, 634, 1268, 1585, 2219, 3119, 3170, 4438, 6238, 6340, 8876, 11095, 12476, 15595, 21833, 22190, 31190, 43666, 44380, 62380, 87332, 109165, 218330, 436660, 988723, 1977446, 3954892, 4943615, 6921061, 9887230, 13842122, 19774460, 27684244, 34605305, 69210610, 138421220]

約数ペア:

[(1, 138421220), (2, 69210610), (4, 34605305), (5, 27684244), (7, 19774460), (10, 13842122), (14, 9887230), (20, 6921061), (28, 4943615), (35, 3954892), (70, 1977446), (140, 988723), (317, 436660), (634, 218330), (1268, 109165), (1585, 87332), (2219, 62380), (3119, 44380), (3170, 43666), (4438, 31190), (6238, 22190), (6340, 21833), (8876, 15595), (11095, 12476)]