197237260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:727

約数の個数: 72

約数和(自身を含む): 459169200

約数和(自身を除く): 261931940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 149, 220, 242, 298, 484, 547, 596, 605, 745, 1094, 1210, 1490, 1639, 2188, 2420, 2735, 2980, 3278, 5470, 6017, 6556, 8195, 10940, 12034, 16390, 18029, 24068, 30085, 32780, 36058, 60170, 66187, 72116, 81503, 90145, 120340, 132374, 163006, 180290, 264748, 326012, 330935, 360580, 407515, 661870, 815030, 896533, 1323740, 1630060, 1793066, 3586132, 4482665, 8965330, 9861863, 17930660, 19723726, 39447452, 49309315, 98618630, 197237260]

約数ペア:

[(1, 197237260), (2, 98618630), (4, 49309315), (5, 39447452), (10, 19723726), (11, 17930660), (20, 9861863), (22, 8965330), (44, 4482665), (55, 3586132), (110, 1793066), (121, 1630060), (149, 1323740), (220, 896533), (242, 815030), (298, 661870), (484, 407515), (547, 360580), (596, 330935), (605, 326012), (745, 264748), (1094, 180290), (1210, 163006), (1490, 132374), (1639, 120340), (2188, 90145), (2420, 81503), (2735, 72116), (2980, 66187), (3278, 60170), (5470, 36058), (6017, 32780), (6556, 30085), (8195, 24068), (10940, 18029), (12034, 16390)]