219068720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{210643}}^1$

素因数の和:210669

約数の個数: 40

約数和(自身を含む): 548516976

約数和(自身を除く): 329448256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 210643, 421286, 842572, 1053215, 1685144, 2106430, 2738359, 3370288, 4212860, 5476718, 8425720, 10953436, 13691795, 16851440, 21906872, 27383590, 43813744, 54767180, 109534360, 219068720]

約数ペア:

[(1, 219068720), (2, 109534360), (4, 54767180), (5, 43813744), (8, 27383590), (10, 21906872), (13, 16851440), (16, 13691795), (20, 10953436), (26, 8425720), (40, 5476718), (52, 4212860), (65, 3370288), (80, 2738359), (104, 2106430), (130, 1685144), (208, 1053215), (260, 842572), (520, 421286), (1040, 210643)]