239400420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{570001}}^1$

素因数の和:570020

約数の個数: 48

約数和(自身を含む): 766082688

約数和(自身を除く): 526682268

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, 570001, 1140002, 1710003, 2280004, 2850005, 3420006, 3990007, 5700010, 6840012, 7980014, 8550015, 11400020, 11970021, 15960028, 17100030, 19950035, 23940042, 34200060, 39900070, 47880084, 59850105, 79800140, 119700210, 239400420]

約数ペア:

[(1, 239400420), (2, 119700210), (3, 79800140), (4, 59850105), (5, 47880084), (6, 39900070), (7, 34200060), (10, 23940042), (12, 19950035), (14, 17100030), (15, 15960028), (20, 11970021), (21, 11400020), (28, 8550015), (30, 7980014), (35, 6840012), (42, 5700010), (60, 3990007), (70, 3420006), (84, 2850005), (105, 2280004), (140, 1710003), (210, 1140002), (420, 570001)]