173228920

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{7019}}^1$

素因数の和:7647

約数の個数: 32

約数和(自身を含む): 390452400

約数和(自身を除く): 217223480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 1234, 2468, 3085, 4936, 6170, 7019, 12340, 14038, 24680, 28076, 35095, 56152, 70190, 140380, 280760, 4330723, 8661446, 17322892, 21653615, 34645784, 43307230, 86614460, 173228920]

約数ペア:

[(1, 173228920), (2, 86614460), (4, 43307230), (5, 34645784), (8, 21653615), (10, 17322892), (20, 8661446), (40, 4330723), (617, 280760), (1234, 140380), (2468, 70190), (3085, 56152), (4936, 35095), (6170, 28076), (7019, 24680), (12340, 14038)]