8442420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20101}}^1$

素因数の和:20120

約数の個数: 48

約数和(自身を含む): 27017088

約数和(自身を除く): 18574668

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, 20101, 40202, 60303, 80404, 100505, 120606, 140707, 201010, 241212, 281414, 301515, 402020, 422121, 562828, 603030, 703535, 844242, 1206060, 1407070, 1688484, 2110605, 2814140, 4221210, 8442420]

約数ペア:

[(1, 8442420), (2, 4221210), (3, 2814140), (4, 2110605), (5, 1688484), (6, 1407070), (7, 1206060), (10, 844242), (12, 703535), (14, 603030), (15, 562828), (20, 422121), (21, 402020), (28, 301515), (30, 281414), (35, 241212), (42, 201010), (60, 140707), (70, 120606), (84, 100505), (105, 80404), (140, 60303), (210, 40202), (420, 20101)]