4067800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^2$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 10562940

約数和(自身を除く): 6495140

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 43, 44, 50, 55, 86, 88, 100, 110, 172, 200, 215, 220, 275, 344, 430, 440, 473, 550, 860, 946, 1075, 1100, 1720, 1849, 1892, 2150, 2200, 2365, 3698, 3784, 4300, 4730, 7396, 8600, 9245, 9460, 11825, 14792, 18490, 18920, 20339, 23650, 36980, 40678, 46225, 47300, 73960, 81356, 92450, 94600, 101695, 162712, 184900, 203390, 369800, 406780, 508475, 813560, 1016950, 2033900, 4067800]

約数ペア:

[(1, 4067800), (2, 2033900), (4, 1016950), (5, 813560), (8, 508475), (10, 406780), (11, 369800), (20, 203390), (22, 184900), (25, 162712), (40, 101695), (43, 94600), (44, 92450), (50, 81356), (55, 73960), (86, 47300), (88, 46225), (100, 40678), (110, 36980), (172, 23650), (200, 20339), (215, 18920), (220, 18490), (275, 14792), (344, 11825), (430, 9460), (440, 9245), (473, 8600), (550, 7396), (860, 4730), (946, 4300), (1075, 3784), (1100, 3698), (1720, 2365), (1849, 2200), (1892, 2150)]