138208400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:441

約数の個数: 120

約数和(自身を含む): 366994368

約数和(自身を除く): 228785968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 101, 110, 176, 200, 202, 220, 275, 311, 400, 404, 440, 505, 550, 622, 808, 880, 1010, 1100, 1111, 1244, 1555, 1616, 2020, 2200, 2222, 2488, 2525, 3110, 3421, 4040, 4400, 4444, 4976, 5050, 5555, 6220, 6842, 7775, 8080, 8888, 10100, 11110, 12440, 13684, 15550, 17105, 17776, 20200, 22220, 24880, 27368, 27775, 31100, 31411, 34210, 40400, 44440, 54736, 55550, 62200, 62822, 68420, 85525, 88880, 111100, 124400, 125644, 136840, 157055, 171050, 222200, 251288, 273680, 314110, 342100, 345521, 444400, 502576, 628220, 684200, 691042, 785275, 1256440, 1368400, 1382084, 1570550, 1727605, 2512880, 2764168, 3141100, 3455210, 5528336, 6282200, 6910420, 8638025, 12564400, 13820840, 17276050, 27641680, 34552100, 69104200, 138208400]

約数ペア:

[(1, 138208400), (2, 69104200), (4, 34552100), (5, 27641680), (8, 17276050), (10, 13820840), (11, 12564400), (16, 8638025), (20, 6910420), (22, 6282200), (25, 5528336), (40, 3455210), (44, 3141100), (50, 2764168), (55, 2512880), (80, 1727605), (88, 1570550), (100, 1382084), (101, 1368400), (110, 1256440), (176, 785275), (200, 691042), (202, 684200), (220, 628220), (275, 502576), (311, 444400), (400, 345521), (404, 342100), (440, 314110), (505, 273680), (550, 251288), (622, 222200), (808, 171050), (880, 157055), (1010, 136840), (1100, 125644), (1111, 124400), (1244, 111100), (1555, 88880), (1616, 85525), (2020, 68420), (2200, 62822), (2222, 62200), (2488, 55550), (2525, 54736), (3110, 44440), (3421, 40400), (4040, 34210), (4400, 31411), (4444, 31100), (4976, 27775), (5050, 27368), (5555, 24880), (6220, 22220), (6842, 20200), (7775, 17776), (8080, 17105), (8888, 15550), (10100, 13684), (11110, 12440)]