198742740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{473197}}^1$

素因数の和:473216

約数の個数: 48

約数和(自身を含む): 635978112

約数和(自身を除く): 437235372

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, 473197, 946394, 1419591, 1892788, 2365985, 2839182, 3312379, 4731970, 5678364, 6624758, 7097955, 9463940, 9937137, 13249516, 14195910, 16561895, 19874274, 28391820, 33123790, 39748548, 49685685, 66247580, 99371370, 198742740]

約数ペア:

[(1, 198742740), (2, 99371370), (3, 66247580), (4, 49685685), (5, 39748548), (6, 33123790), (7, 28391820), (10, 19874274), (12, 16561895), (14, 14195910), (15, 13249516), (20, 9937137), (21, 9463940), (28, 7097955), (30, 6624758), (35, 5678364), (42, 4731970), (60, 3312379), (70, 2839182), (84, 2365985), (105, 1892788), (140, 1419591), (210, 946394), (420, 473197)]