29820280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{106501}}^1$

素因数の和:106519

約数の個数: 32

約数和(自身を含む): 76681440

約数和(自身を除く): 46861160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 106501, 213002, 426004, 532505, 745507, 852008, 1065010, 1491014, 2130020, 2982028, 3727535, 4260040, 5964056, 7455070, 14910140, 29820280]

約数ペア:

[(1, 29820280), (2, 14910140), (4, 7455070), (5, 5964056), (7, 4260040), (8, 3727535), (10, 2982028), (14, 2130020), (20, 1491014), (28, 1065010), (35, 852008), (40, 745507), (56, 532505), (70, 426004), (140, 213002), (280, 106501)]