138053720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{493049}}^1$

素因数の和:493067

約数の個数: 32

約数和(自身を含む): 354996000

約数和(自身を除く): 216942280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 493049, 986098, 1972196, 2465245, 3451343, 3944392, 4930490, 6902686, 9860980, 13805372, 17256715, 19721960, 27610744, 34513430, 69026860, 138053720]

約数ペア:

[(1, 138053720), (2, 69026860), (4, 34513430), (5, 27610744), (7, 19721960), (8, 17256715), (10, 13805372), (14, 9860980), (20, 6902686), (28, 4930490), (35, 3944392), (40, 3451343), (56, 2465245), (70, 1972196), (140, 986098), (280, 493049)]