2019900460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1\times {\mathrm{7933}}^1$

素因数の和:8410

約数の個数: 48

約数和(自身を含む): 4398609600

約数和(自身を除く): 2378709140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 439, 580, 878, 1756, 2195, 4390, 7933, 8780, 12731, 15866, 25462, 31732, 39665, 50924, 63655, 79330, 127310, 158660, 230057, 254620, 460114, 920228, 1150285, 2300570, 3482587, 4601140, 6965174, 13930348, 17412935, 34825870, 69651740, 100995023, 201990046, 403980092, 504975115, 1009950230, 2019900460]

約数ペア:

[(1, 2019900460), (2, 1009950230), (4, 504975115), (5, 403980092), (10, 201990046), (20, 100995023), (29, 69651740), (58, 34825870), (116, 17412935), (145, 13930348), (290, 6965174), (439, 4601140), (580, 3482587), (878, 2300570), (1756, 1150285), (2195, 920228), (4390, 460114), (7933, 254620), (8780, 230057), (12731, 158660), (15866, 127310), (25462, 79330), (31732, 63655), (39665, 50924)]