89687500

素因数分解:

$2^2\times 5^7\times 7^1\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 96

約数和(自身を含む): 229686912

約数和(自身を除く): 139999412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 100, 125, 140, 164, 175, 205, 250, 287, 350, 410, 500, 574, 625, 700, 820, 875, 1025, 1148, 1250, 1435, 1750, 2050, 2500, 2870, 3125, 3500, 4100, 4375, 5125, 5740, 6250, 7175, 8750, 10250, 12500, 14350, 15625, 17500, 20500, 21875, 25625, 28700, 31250, 35875, 43750, 51250, 62500, 71750, 78125, 87500, 102500, 109375, 128125, 143500, 156250, 179375, 218750, 256250, 312500, 358750, 437500, 512500, 546875, 640625, 717500, 896875, 1093750, 1281250, 1793750, 2187500, 2562500, 3203125, 3587500, 4484375, 6406250, 8968750, 12812500, 17937500, 22421875, 44843750, 89687500]

約数ペア:

[(1, 89687500), (2, 44843750), (4, 22421875), (5, 17937500), (7, 12812500), (10, 8968750), (14, 6406250), (20, 4484375), (25, 3587500), (28, 3203125), (35, 2562500), (41, 2187500), (50, 1793750), (70, 1281250), (82, 1093750), (100, 896875), (125, 717500), (140, 640625), (164, 546875), (175, 512500), (205, 437500), (250, 358750), (287, 312500), (350, 256250), (410, 218750), (500, 179375), (574, 156250), (625, 143500), (700, 128125), (820, 109375), (875, 102500), (1025, 87500), (1148, 78125), (1250, 71750), (1435, 62500), (1750, 51250), (2050, 43750), (2500, 35875), (2870, 31250), (3125, 28700), (3500, 25625), (4100, 21875), (4375, 20500), (5125, 17500), (5740, 15625), (6250, 14350), (7175, 12500), (8750, 10250)]