390147380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{3541}}^1$

素因数の和:4344

約数の個数: 48

約数和(自身を含む): 937808256

約数和(自身を除く): 547660876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 787, 1574, 3148, 3541, 3935, 5509, 7082, 7870, 11018, 14164, 15740, 17705, 22036, 24787, 27545, 35410, 49574, 55090, 70820, 99148, 110180, 123935, 247870, 495740, 2786767, 5573534, 11147068, 13933835, 19507369, 27867670, 39014738, 55735340, 78029476, 97536845, 195073690, 390147380]

約数ペア:

[(1, 390147380), (2, 195073690), (4, 97536845), (5, 78029476), (7, 55735340), (10, 39014738), (14, 27867670), (20, 19507369), (28, 13933835), (35, 11147068), (70, 5573534), (140, 2786767), (787, 495740), (1574, 247870), (3148, 123935), (3541, 110180), (3935, 99148), (5509, 70820), (7082, 55090), (7870, 49574), (11018, 35410), (14164, 27545), (15740, 24787), (17705, 22036)]