83961780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{199909}}^1$

素因数の和:199928

約数の個数: 48

約数和(自身を含む): 268679040

約数和(自身を除く): 184717260

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, 199909, 399818, 599727, 799636, 999545, 1199454, 1399363, 1999090, 2398908, 2798726, 2998635, 3998180, 4198089, 5597452, 5997270, 6996815, 8396178, 11994540, 13993630, 16792356, 20990445, 27987260, 41980890, 83961780]

約数ペア:

[(1, 83961780), (2, 41980890), (3, 27987260), (4, 20990445), (5, 16792356), (6, 13993630), (7, 11994540), (10, 8396178), (12, 6996815), (14, 5997270), (15, 5597452), (20, 4198089), (21, 3998180), (28, 2998635), (30, 2798726), (35, 2398908), (42, 1999090), (60, 1399363), (70, 1199454), (84, 999545), (105, 799636), (140, 599727), (210, 399818), (420, 199909)]