2009339965

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 2715148800

約数和(自身を除く): 705808835

約数列:

[1, 5, 19, 29, 73, 95, 97, 103, 145, 365, 485, 515, 551, 1387, 1843, 1957, 2117, 2755, 2813, 2987, 6935, 7081, 7519, 9215, 9785, 9991, 10585, 14065, 14935, 35405, 37595, 40223, 49955, 53447, 56753, 134539, 142861, 189829, 201115, 205349, 218051, 267235, 283765, 289739, 672695, 714305, 729343, 949145, 1026745, 1090255, 1448695, 3646715, 3901631, 4142969, 5505041, 13857517, 19508155, 20714845, 21150947, 27525205, 69287585, 105754735, 401867993, 2009339965]

約数ペア:

[(1, 2009339965), (5, 401867993), (19, 105754735), (29, 69287585), (73, 27525205), (95, 21150947), (97, 20714845), (103, 19508155), (145, 13857517), (365, 5505041), (485, 4142969), (515, 3901631), (551, 3646715), (1387, 1448695), (1843, 1090255), (1957, 1026745), (2117, 949145), (2755, 729343), (2813, 714305), (2987, 672695), (6935, 289739), (7081, 283765), (7519, 267235), (9215, 218051), (9785, 205349), (9991, 201115), (10585, 189829), (14065, 142861), (14935, 134539), (35405, 56753), (37595, 53447), (40223, 49955)]