210009320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 517881600

約数和(自身を除く): 307872280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 59, 73, 92, 106, 115, 118, 146, 184, 212, 230, 236, 265, 292, 295, 365, 424, 460, 472, 530, 584, 590, 730, 920, 1060, 1180, 1219, 1357, 1460, 1679, 2120, 2360, 2438, 2714, 2920, 3127, 3358, 3869, 4307, 4876, 5428, 6095, 6254, 6716, 6785, 7738, 8395, 8614, 9752, 10856, 12190, 12508, 13432, 13570, 15476, 15635, 16790, 17228, 19345, 21535, 24380, 25016, 27140, 30952, 31270, 33580, 34456, 38690, 43070, 48760, 54280, 62540, 67160, 71921, 77380, 86140, 88987, 99061, 125080, 143842, 154760, 172280, 177974, 198122, 228271, 287684, 355948, 359605, 396244, 444935, 456542, 495305, 575368, 711896, 719210, 792488, 889870, 913084, 990610, 1141355, 1438420, 1779740, 1826168, 1981220, 2282710, 2876840, 3559480, 3962440, 4565420, 5250233, 9130840, 10500466, 21000932, 26251165, 42001864, 52502330, 105004660, 210009320]

約数ペア:

[(1, 210009320), (2, 105004660), (4, 52502330), (5, 42001864), (8, 26251165), (10, 21000932), (20, 10500466), (23, 9130840), (40, 5250233), (46, 4565420), (53, 3962440), (59, 3559480), (73, 2876840), (92, 2282710), (106, 1981220), (115, 1826168), (118, 1779740), (146, 1438420), (184, 1141355), (212, 990610), (230, 913084), (236, 889870), (265, 792488), (292, 719210), (295, 711896), (365, 575368), (424, 495305), (460, 456542), (472, 444935), (530, 396244), (584, 359605), (590, 355948), (730, 287684), (920, 228271), (1060, 198122), (1180, 177974), (1219, 172280), (1357, 154760), (1460, 143842), (1679, 125080), (2120, 99061), (2360, 88987), (2438, 86140), (2714, 77380), (2920, 71921), (3127, 67160), (3358, 62540), (3869, 54280), (4307, 48760), (4876, 43070), (5428, 38690), (6095, 34456), (6254, 33580), (6716, 31270), (6785, 30952), (7738, 27140), (8395, 25016), (8614, 24380), (9752, 21535), (10856, 19345), (12190, 17228), (12508, 16790), (13432, 15635), (13570, 15476)]