388972275

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3067}}^1$

素因数の和:3188

約数の個数: 48

約数和(自身を含む): 684777600

約数和(自身を除く): 295805325

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 89, 95, 267, 285, 445, 475, 1335, 1425, 1691, 2225, 3067, 5073, 6675, 8455, 9201, 15335, 25365, 42275, 46005, 58273, 76675, 126825, 174819, 230025, 272963, 291365, 818889, 874095, 1364815, 1456825, 4094445, 4370475, 5186297, 6824075, 15558891, 20472225, 25931485, 77794455, 129657425, 388972275]

約数ペア:

[(1, 388972275), (3, 129657425), (5, 77794455), (15, 25931485), (19, 20472225), (25, 15558891), (57, 6824075), (75, 5186297), (89, 4370475), (95, 4094445), (267, 1456825), (285, 1364815), (445, 874095), (475, 818889), (1335, 291365), (1425, 272963), (1691, 230025), (2225, 174819), (3067, 126825), (5073, 76675), (6675, 58273), (8455, 46005), (9201, 42275), (15335, 25365)]