219955120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{5101}}^1$

素因数の和:5139

約数の個数: 120

約数和(自身を含む): 649096848

約数和(自身を除く): 429141728

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1232, 1540, 1960, 2156, 2695, 3080, 3920, 4312, 5101, 5390, 6160, 8624, 10202, 10780, 20404, 21560, 25505, 35707, 40808, 43120, 51010, 56111, 71414, 81616, 102020, 112222, 142828, 178535, 204040, 224444, 249949, 280555, 285656, 357070, 392777, 408080, 448888, 499898, 561110, 571312, 714140, 785554, 897776, 999796, 1122220, 1249745, 1428280, 1571108, 1963885, 1999592, 2244440, 2499490, 2749439, 2856560, 3142216, 3927770, 3999184, 4488880, 4998980, 5498878, 6284432, 7855540, 9997960, 10997756, 13747195, 15711080, 19995920, 21995512, 27494390, 31422160, 43991024, 54988780, 109977560, 219955120]

約数ペア:

[(1, 219955120), (2, 109977560), (4, 54988780), (5, 43991024), (7, 31422160), (8, 27494390), (10, 21995512), (11, 19995920), (14, 15711080), (16, 13747195), (20, 10997756), (22, 9997960), (28, 7855540), (35, 6284432), (40, 5498878), (44, 4998980), (49, 4488880), (55, 3999184), (56, 3927770), (70, 3142216), (77, 2856560), (80, 2749439), (88, 2499490), (98, 2244440), (110, 1999592), (112, 1963885), (140, 1571108), (154, 1428280), (176, 1249745), (196, 1122220), (220, 999796), (245, 897776), (280, 785554), (308, 714140), (385, 571312), (392, 561110), (440, 499898), (490, 448888), (539, 408080), (560, 392777), (616, 357070), (770, 285656), (784, 280555), (880, 249949), (980, 224444), (1078, 204040), (1232, 178535), (1540, 142828), (1960, 112222), (2156, 102020), (2695, 81616), (3080, 71414), (3920, 56111), (4312, 51010), (5101, 43120), (5390, 40808), (6160, 35707), (8624, 25505), (10202, 21560), (10780, 20404)]