197660820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{470621}}^1$

素因数の和:470640

約数の個数: 48

約数和(自身を含む): 632515968

約数和(自身を除く): 434855148

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, 470621, 941242, 1411863, 1882484, 2353105, 2823726, 3294347, 4706210, 5647452, 6588694, 7059315, 9412420, 9883041, 13177388, 14118630, 16471735, 19766082, 28237260, 32943470, 39532164, 49415205, 65886940, 98830410, 197660820]

約数ペア:

[(1, 197660820), (2, 98830410), (3, 65886940), (4, 49415205), (5, 39532164), (6, 32943470), (7, 28237260), (10, 19766082), (12, 16471735), (14, 14118630), (15, 13177388), (20, 9883041), (21, 9412420), (28, 7059315), (30, 6588694), (35, 5647452), (42, 4706210), (60, 3294347), (70, 2823726), (84, 2353105), (105, 1882484), (140, 1411863), (210, 941242), (420, 470621)]