18042200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 46872000

約数和(自身を除く): 28829800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 59, 88, 100, 110, 118, 139, 200, 220, 236, 275, 278, 295, 440, 472, 550, 556, 590, 649, 695, 1100, 1112, 1180, 1298, 1390, 1475, 1529, 2200, 2360, 2596, 2780, 2950, 3058, 3245, 3475, 5192, 5560, 5900, 6116, 6490, 6950, 7645, 8201, 11800, 12232, 12980, 13900, 15290, 16225, 16402, 25960, 27800, 30580, 32450, 32804, 38225, 41005, 61160, 64900, 65608, 76450, 82010, 90211, 129800, 152900, 164020, 180422, 205025, 305800, 328040, 360844, 410050, 451055, 721688, 820100, 902110, 1640200, 1804220, 2255275, 3608440, 4510550, 9021100, 18042200]

約数ペア:

[(1, 18042200), (2, 9021100), (4, 4510550), (5, 3608440), (8, 2255275), (10, 1804220), (11, 1640200), (20, 902110), (22, 820100), (25, 721688), (40, 451055), (44, 410050), (50, 360844), (55, 328040), (59, 305800), (88, 205025), (100, 180422), (110, 164020), (118, 152900), (139, 129800), (200, 90211), (220, 82010), (236, 76450), (275, 65608), (278, 64900), (295, 61160), (440, 41005), (472, 38225), (550, 32804), (556, 32450), (590, 30580), (649, 27800), (695, 25960), (1100, 16402), (1112, 16225), (1180, 15290), (1298, 13900), (1390, 12980), (1475, 12232), (1529, 11800), (2200, 8201), (2360, 7645), (2596, 6950), (2780, 6490), (2950, 6116), (3058, 5900), (3245, 5560), (3475, 5192)]