17722740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{42197}}^1$

素因数の和:42216

約数の個数: 48

約数和(自身を含む): 56714112

約数和(自身を除く): 38991372

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 42197, 84394, 126591, 168788, 210985, 253182, 295379, 421970, 506364, 590758, 632955, 843940, 886137, 1181516, 1265910, 1476895, 1772274, 2531820, 2953790, 3544548, 4430685, 5907580, 8861370, 17722740]

約数ペア:

[(1, 17722740), (2, 8861370), (3, 5907580), (4, 4430685), (5, 3544548), (6, 2953790), (7, 2531820), (10, 1772274), (12, 1476895), (14, 1265910), (15, 1181516), (20, 886137), (21, 843940), (28, 632955), (30, 590758), (35, 506364), (42, 421970), (60, 295379), (70, 253182), (84, 210985), (105, 168788), (140, 126591), (210, 84394), (420, 42197)]