139780400

素因数分解:

$2^4\times 5^2\times {\mathrm{73}}^1\times {\mathrm{4787}}^1$

素因数の和:4878

約数の個数: 60

約数和(自身を含む): 340493832

約数和(自身を除く): 200713432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 73, 80, 100, 146, 200, 292, 365, 400, 584, 730, 1168, 1460, 1825, 2920, 3650, 4787, 5840, 7300, 9574, 14600, 19148, 23935, 29200, 38296, 47870, 76592, 95740, 119675, 191480, 239350, 349451, 382960, 478700, 698902, 957400, 1397804, 1747255, 1914800, 2795608, 3494510, 5591216, 6989020, 8736275, 13978040, 17472550, 27956080, 34945100, 69890200, 139780400]

約数ペア:

[(1, 139780400), (2, 69890200), (4, 34945100), (5, 27956080), (8, 17472550), (10, 13978040), (16, 8736275), (20, 6989020), (25, 5591216), (40, 3494510), (50, 2795608), (73, 1914800), (80, 1747255), (100, 1397804), (146, 957400), (200, 698902), (292, 478700), (365, 382960), (400, 349451), (584, 239350), (730, 191480), (1168, 119675), (1460, 95740), (1825, 76592), (2920, 47870), (3650, 38296), (4787, 29200), (5840, 23935), (7300, 19148), (9574, 14600)]