22271620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{619}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 53746560

約数和(自身を除く): 31474940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 619, 1028, 1238, 1285, 1799, 2476, 2570, 3095, 3598, 4333, 5140, 6190, 7196, 8666, 8995, 12380, 17332, 17990, 21665, 35980, 43330, 86660, 159083, 318166, 636332, 795415, 1113581, 1590830, 2227162, 3181660, 4454324, 5567905, 11135810, 22271620]

約数ペア:

[(1, 22271620), (2, 11135810), (4, 5567905), (5, 4454324), (7, 3181660), (10, 2227162), (14, 1590830), (20, 1113581), (28, 795415), (35, 636332), (70, 318166), (140, 159083), (257, 86660), (514, 43330), (619, 35980), (1028, 21665), (1238, 17990), (1285, 17332), (1799, 12380), (2476, 8995), (2570, 8666), (3095, 7196), (3598, 6190), (4333, 5140)]