201121340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{7219}}^1$

素因数の和:7434

約数の個数: 48

約数和(自身を含む): 485184000

約数和(自身を除く): 284062660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1393, 1990, 2786, 3980, 5572, 6965, 7219, 13930, 14438, 27860, 28876, 36095, 50533, 72190, 101066, 144380, 202132, 252665, 505330, 1010660, 1436581, 2873162, 5746324, 7182905, 10056067, 14365810, 20112134, 28731620, 40224268, 50280335, 100560670, 201121340]

約数ペア:

[(1, 201121340), (2, 100560670), (4, 50280335), (5, 40224268), (7, 28731620), (10, 20112134), (14, 14365810), (20, 10056067), (28, 7182905), (35, 5746324), (70, 2873162), (140, 1436581), (199, 1010660), (398, 505330), (796, 252665), (995, 202132), (1393, 144380), (1990, 101066), (2786, 72190), (3980, 50533), (5572, 36095), (6965, 28876), (7219, 27860), (13930, 14438)]