306981780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{730909}}^1$

素因数の和:730928

約数の個数: 48

約数和(自身を含む): 982343040

約数和(自身を除く): 675361260

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, 730909, 1461818, 2192727, 2923636, 3654545, 4385454, 5116363, 7309090, 8770908, 10232726, 10963635, 14618180, 15349089, 20465452, 21927270, 25581815, 30698178, 43854540, 51163630, 61396356, 76745445, 102327260, 153490890, 306981780]

約数ペア:

[(1, 306981780), (2, 153490890), (3, 102327260), (4, 76745445), (5, 61396356), (6, 51163630), (7, 43854540), (10, 30698178), (12, 25581815), (14, 21927270), (15, 20465452), (20, 15349089), (21, 14618180), (28, 10963635), (30, 10232726), (35, 8770908), (42, 7309090), (60, 5116363), (70, 4385454), (84, 3654545), (105, 2923636), (140, 2192727), (210, 1461818), (420, 730909)]