2507575

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:136

約数の個数: 36

約数和(自身を含む): 3816720

約数和(自身を除く): 1309145

約数列:

[1, 5, 7, 23, 25, 35, 49, 89, 115, 161, 175, 245, 445, 575, 623, 805, 1127, 1225, 2047, 2225, 3115, 4025, 4361, 5635, 10235, 14329, 15575, 21805, 28175, 51175, 71645, 100303, 109025, 358225, 501515, 2507575]

約数ペア:

[(1, 2507575), (5, 501515), (7, 358225), (23, 109025), (25, 100303), (35, 71645), (49, 51175), (89, 28175), (115, 21805), (161, 15575), (175, 14329), (245, 10235), (445, 5635), (575, 4361), (623, 4025), (805, 3115), (1127, 2225), (1225, 2047)]