495020820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1178621}}^1$

素因数の和:1178640

約数の個数: 48

約数和(自身を含む): 1584067968

約数和(自身を除く): 1089047148

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, 1178621, 2357242, 3535863, 4714484, 5893105, 7071726, 8250347, 11786210, 14143452, 16500694, 17679315, 23572420, 24751041, 33001388, 35358630, 41251735, 49502082, 70717260, 82503470, 99004164, 123755205, 165006940, 247510410, 495020820]

約数ペア:

[(1, 495020820), (2, 247510410), (3, 165006940), (4, 123755205), (5, 99004164), (6, 82503470), (7, 70717260), (10, 49502082), (12, 41251735), (14, 35358630), (15, 33001388), (20, 24751041), (21, 23572420), (28, 17679315), (30, 16500694), (35, 14143452), (42, 11786210), (60, 8250347), (70, 7071726), (84, 5893105), (105, 4714484), (140, 3535863), (210, 2357242), (420, 1178621)]