221257860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{3687631}}^1$

素因数の和:3687643

約数の個数: 24

約数和(自身を含む): 619522176

約数和(自身を除く): 398264316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 3687631, 7375262, 11062893, 14750524, 18438155, 22125786, 36876310, 44251572, 55314465, 73752620, 110628930, 221257860]

約数ペア:

[(1, 221257860), (2, 110628930), (3, 73752620), (4, 55314465), (5, 44251572), (6, 36876310), (10, 22125786), (12, 18438155), (15, 14750524), (20, 11062893), (30, 7375262), (60, 3687631)]