68789060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 147837312

約数和(自身を除く): 79048252

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 193, 251, 284, 355, 386, 502, 710, 772, 965, 1004, 1255, 1420, 1930, 2510, 3860, 5020, 13703, 17821, 27406, 35642, 48443, 54812, 68515, 71284, 89105, 96886, 137030, 178210, 193772, 242215, 274060, 356420, 484430, 968860, 3439453, 6878906, 13757812, 17197265, 34394530, 68789060]

約数ペア:

[(1, 68789060), (2, 34394530), (4, 17197265), (5, 13757812), (10, 6878906), (20, 3439453), (71, 968860), (142, 484430), (193, 356420), (251, 274060), (284, 242215), (355, 193772), (386, 178210), (502, 137030), (710, 96886), (772, 89105), (965, 71284), (1004, 68515), (1255, 54812), (1420, 48443), (1930, 35642), (2510, 27406), (3860, 17821), (5020, 13703)]