438400600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1973}}^1$

素因数の和:2101

約数の個数: 96

約数和(自身を含む): 1123521840

約数和(自身を除く): 685121240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 101, 110, 200, 202, 220, 275, 404, 440, 505, 550, 808, 1010, 1100, 1111, 1973, 2020, 2200, 2222, 2525, 3946, 4040, 4444, 5050, 5555, 7892, 8888, 9865, 10100, 11110, 15784, 19730, 20200, 21703, 22220, 27775, 39460, 43406, 44440, 49325, 55550, 78920, 86812, 98650, 108515, 111100, 173624, 197300, 199273, 217030, 222200, 394600, 398546, 434060, 542575, 797092, 868120, 996365, 1085150, 1594184, 1992730, 2170300, 2192003, 3985460, 4340600, 4384006, 4981825, 7970920, 8768012, 9963650, 10960015, 17536024, 19927300, 21920030, 39854600, 43840060, 54800075, 87680120, 109600150, 219200300, 438400600]

約数ペア:

[(1, 438400600), (2, 219200300), (4, 109600150), (5, 87680120), (8, 54800075), (10, 43840060), (11, 39854600), (20, 21920030), (22, 19927300), (25, 17536024), (40, 10960015), (44, 9963650), (50, 8768012), (55, 7970920), (88, 4981825), (100, 4384006), (101, 4340600), (110, 3985460), (200, 2192003), (202, 2170300), (220, 1992730), (275, 1594184), (404, 1085150), (440, 996365), (505, 868120), (550, 797092), (808, 542575), (1010, 434060), (1100, 398546), (1111, 394600), (1973, 222200), (2020, 217030), (2200, 199273), (2222, 197300), (2525, 173624), (3946, 111100), (4040, 108515), (4444, 98650), (5050, 86812), (5555, 78920), (7892, 55550), (8888, 49325), (9865, 44440), (10100, 43406), (11110, 39460), (15784, 27775), (19730, 22220), (20200, 21703)]