1285381550

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{359}}^1\times {\mathrm{709}}^1$

素因数の和:1181

約数の個数: 48

約数和(自身を含む): 2424621600

約数和(自身を除く): 1139240050

約数列:

[1, 2, 5, 10, 25, 50, 101, 202, 359, 505, 709, 718, 1010, 1418, 1795, 2525, 3545, 3590, 5050, 7090, 8975, 17725, 17950, 35450, 36259, 71609, 72518, 143218, 181295, 254531, 358045, 362590, 509062, 716090, 906475, 1272655, 1790225, 1812950, 2545310, 3580450, 6363275, 12726550, 25707631, 51415262, 128538155, 257076310, 642690775, 1285381550]

約数ペア:

[(1, 1285381550), (2, 642690775), (5, 257076310), (10, 128538155), (25, 51415262), (50, 25707631), (101, 12726550), (202, 6363275), (359, 3580450), (505, 2545310), (709, 1812950), (718, 1790225), (1010, 1272655), (1418, 906475), (1795, 716090), (2525, 509062), (3545, 362590), (3590, 358045), (5050, 254531), (7090, 181295), (8975, 143218), (17725, 72518), (17950, 71609), (35450, 36259)]