188292280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:365

約数の個数: 128

約数和(自身を含む): 493516800

約数和(自身を除く): 305224520

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 101, 110, 152, 190, 202, 209, 220, 223, 380, 404, 418, 440, 446, 505, 760, 808, 836, 892, 1010, 1045, 1111, 1115, 1672, 1784, 1919, 2020, 2090, 2222, 2230, 2453, 3838, 4040, 4180, 4237, 4444, 4460, 4906, 5555, 7676, 8360, 8474, 8888, 8920, 9595, 9812, 11110, 12265, 15352, 16948, 19190, 19624, 21109, 21185, 22220, 22523, 24530, 33896, 38380, 42218, 42370, 44440, 45046, 46607, 49060, 76760, 84436, 84740, 90092, 93214, 98120, 105545, 112615, 168872, 169480, 180184, 186428, 211090, 225230, 233035, 247753, 372856, 422180, 427937, 450460, 466070, 495506, 844360, 855874, 900920, 932140, 991012, 1238765, 1711748, 1864280, 1982024, 2139685, 2477530, 3423496, 4279370, 4707307, 4955060, 8558740, 9414614, 9910120, 17117480, 18829228, 23536535, 37658456, 47073070, 94146140, 188292280]

約数ペア:

[(1, 188292280), (2, 94146140), (4, 47073070), (5, 37658456), (8, 23536535), (10, 18829228), (11, 17117480), (19, 9910120), (20, 9414614), (22, 8558740), (38, 4955060), (40, 4707307), (44, 4279370), (55, 3423496), (76, 2477530), (88, 2139685), (95, 1982024), (101, 1864280), (110, 1711748), (152, 1238765), (190, 991012), (202, 932140), (209, 900920), (220, 855874), (223, 844360), (380, 495506), (404, 466070), (418, 450460), (440, 427937), (446, 422180), (505, 372856), (760, 247753), (808, 233035), (836, 225230), (892, 211090), (1010, 186428), (1045, 180184), (1111, 169480), (1115, 168872), (1672, 112615), (1784, 105545), (1919, 98120), (2020, 93214), (2090, 90092), (2222, 84740), (2230, 84436), (2453, 76760), (3838, 49060), (4040, 46607), (4180, 45046), (4237, 44440), (4444, 42370), (4460, 42218), (4906, 38380), (5555, 33896), (7676, 24530), (8360, 22523), (8474, 22220), (8888, 21185), (8920, 21109), (9595, 19624), (9812, 19190), (11110, 16948), (12265, 15352)]