27877220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1151}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 67350528

約数和(自身を除く): 39473308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1151, 1211, 1730, 2302, 2422, 3460, 4604, 4844, 5755, 6055, 8057, 11510, 12110, 16114, 23020, 24220, 32228, 40285, 80570, 161140, 199123, 398246, 796492, 995615, 1393861, 1991230, 2787722, 3982460, 5575444, 6969305, 13938610, 27877220]

約数ペア:

[(1, 27877220), (2, 13938610), (4, 6969305), (5, 5575444), (7, 3982460), (10, 2787722), (14, 1991230), (20, 1393861), (28, 995615), (35, 796492), (70, 398246), (140, 199123), (173, 161140), (346, 80570), (692, 40285), (865, 32228), (1151, 24220), (1211, 23020), (1730, 16114), (2302, 12110), (2422, 11510), (3460, 8057), (4604, 6055), (4844, 5755)]