139230420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{331501}}^1$

素因数の和:331520

約数の個数: 48

約数和(自身を含む): 445538688

約数和(自身を除く): 306308268

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, 331501, 663002, 994503, 1326004, 1657505, 1989006, 2320507, 3315010, 3978012, 4641014, 4972515, 6630020, 6961521, 9282028, 9945030, 11602535, 13923042, 19890060, 23205070, 27846084, 34807605, 46410140, 69615210, 139230420]

約数ペア:

[(1, 139230420), (2, 69615210), (3, 46410140), (4, 34807605), (5, 27846084), (6, 23205070), (7, 19890060), (10, 13923042), (12, 11602535), (14, 9945030), (15, 9282028), (20, 6961521), (21, 6630020), (28, 4972515), (30, 4641014), (35, 3978012), (42, 3315010), (60, 2320507), (70, 1989006), (84, 1657505), (105, 1326004), (140, 994503), (210, 663002), (420, 331501)]