254331280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1451}}^1$

素因数の和:1784

約数の個数: 80

約数和(自身を含む): 678420864

約数和(自身を除く): 424089584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 313, 560, 626, 1252, 1451, 1565, 2191, 2504, 2902, 3130, 4382, 5008, 5804, 6260, 7255, 8764, 10157, 10955, 11608, 12520, 14510, 17528, 20314, 21910, 23216, 25040, 29020, 35056, 40628, 43820, 50785, 58040, 81256, 87640, 101570, 116080, 162512, 175280, 203140, 406280, 454163, 812560, 908326, 1816652, 2270815, 3179141, 3633304, 4541630, 6358282, 7266608, 9083260, 12716564, 15895705, 18166520, 25433128, 31791410, 36333040, 50866256, 63582820, 127165640, 254331280]

約数ペア:

[(1, 254331280), (2, 127165640), (4, 63582820), (5, 50866256), (7, 36333040), (8, 31791410), (10, 25433128), (14, 18166520), (16, 15895705), (20, 12716564), (28, 9083260), (35, 7266608), (40, 6358282), (56, 4541630), (70, 3633304), (80, 3179141), (112, 2270815), (140, 1816652), (280, 908326), (313, 812560), (560, 454163), (626, 406280), (1252, 203140), (1451, 175280), (1565, 162512), (2191, 116080), (2504, 101570), (2902, 87640), (3130, 81256), (4382, 58040), (5008, 50785), (5804, 43820), (6260, 40628), (7255, 35056), (8764, 29020), (10157, 25040), (10955, 23216), (11608, 21910), (12520, 20314), (14510, 17528)]