189628880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19919}}^1$

素因数の和:19956

約数の個数: 80

約数和(自身を含む): 533537280

約数和(自身を除く): 343908400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 19919, 39838, 79676, 99595, 139433, 159352, 199190, 278866, 318704, 338623, 398380, 557732, 677246, 697165, 796760, 1115464, 1354492, 1394330, 1593520, 1693115, 2230928, 2370361, 2708984, 2788660, 3386230, 4740722, 5417968, 5577320, 6772460, 9481444, 11154640, 11851805, 13544920, 18962888, 23703610, 27089840, 37925776, 47407220, 94814440, 189628880]

約数ペア:

[(1, 189628880), (2, 94814440), (4, 47407220), (5, 37925776), (7, 27089840), (8, 23703610), (10, 18962888), (14, 13544920), (16, 11851805), (17, 11154640), (20, 9481444), (28, 6772460), (34, 5577320), (35, 5417968), (40, 4740722), (56, 3386230), (68, 2788660), (70, 2708984), (80, 2370361), (85, 2230928), (112, 1693115), (119, 1593520), (136, 1394330), (140, 1354492), (170, 1115464), (238, 796760), (272, 697165), (280, 677246), (340, 557732), (476, 398380), (560, 338623), (595, 318704), (680, 278866), (952, 199190), (1190, 159352), (1360, 139433), (1904, 99595), (2380, 79676), (4760, 39838), (9520, 19919)]