207432880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{571}}^1$

素因数の和:842

約数の個数: 80

約数和(自身を含む): 510681600

約数和(自身を除く): 303248720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 239, 304, 380, 478, 571, 760, 956, 1142, 1195, 1520, 1912, 2284, 2390, 2855, 3824, 4541, 4568, 4780, 5710, 9082, 9136, 9560, 10849, 11420, 18164, 19120, 21698, 22705, 22840, 36328, 43396, 45410, 45680, 54245, 72656, 86792, 90820, 108490, 136469, 173584, 181640, 216980, 272938, 363280, 433960, 545876, 682345, 867920, 1091752, 1364690, 2183504, 2592911, 2729380, 5185822, 5458760, 10371644, 10917520, 12964555, 20743288, 25929110, 41486576, 51858220, 103716440, 207432880]

約数ペア:

[(1, 207432880), (2, 103716440), (4, 51858220), (5, 41486576), (8, 25929110), (10, 20743288), (16, 12964555), (19, 10917520), (20, 10371644), (38, 5458760), (40, 5185822), (76, 2729380), (80, 2592911), (95, 2183504), (152, 1364690), (190, 1091752), (239, 867920), (304, 682345), (380, 545876), (478, 433960), (571, 363280), (760, 272938), (956, 216980), (1142, 181640), (1195, 173584), (1520, 136469), (1912, 108490), (2284, 90820), (2390, 86792), (2855, 72656), (3824, 54245), (4541, 45680), (4568, 45410), (4780, 43396), (5710, 36328), (9082, 22840), (9136, 22705), (9560, 21698), (10849, 19120), (11420, 18164)]