8701400

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 20441400

約数和(自身を除く): 11740000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 278, 313, 556, 626, 695, 1112, 1252, 1390, 1565, 2504, 2780, 3130, 3475, 5560, 6260, 6950, 7825, 12520, 13900, 15650, 27800, 31300, 43507, 62600, 87014, 174028, 217535, 348056, 435070, 870140, 1087675, 1740280, 2175350, 4350700, 8701400]

約数ペア:

[(1, 8701400), (2, 4350700), (4, 2175350), (5, 1740280), (8, 1087675), (10, 870140), (20, 435070), (25, 348056), (40, 217535), (50, 174028), (100, 87014), (139, 62600), (200, 43507), (278, 31300), (313, 27800), (556, 15650), (626, 13900), (695, 12520), (1112, 7825), (1252, 6950), (1390, 6260), (1565, 5560), (2504, 3475), (2780, 3130)]