7638460

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{619}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 16092720

約数和(自身を除く): 8454260

約数列:

[1, 2, 4, 5, 10, 20, 617, 619, 1234, 1238, 2468, 2476, 3085, 3095, 6170, 6190, 12340, 12380, 381923, 763846, 1527692, 1909615, 3819230, 7638460]

約数ペア:

[(1, 7638460), (2, 3819230), (4, 1909615), (5, 1527692), (10, 763846), (20, 381923), (617, 12380), (619, 12340), (1234, 6190), (1238, 6170), (2468, 3095), (2476, 3085)]