27979280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2939}}^1$

素因数の和:2976

約数の個数: 80

約数和(自身を含む): 78744960

約数和(自身を除く): 50765680

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, 2939, 4760, 5878, 9520, 11756, 14695, 20573, 23512, 29390, 41146, 47024, 49963, 58780, 82292, 99926, 102865, 117560, 164584, 199852, 205730, 235120, 249815, 329168, 349741, 399704, 411460, 499630, 699482, 799408, 822920, 999260, 1398964, 1645840, 1748705, 1998520, 2797928, 3497410, 3997040, 5595856, 6994820, 13989640, 27979280]

約数ペア:

[(1, 27979280), (2, 13989640), (4, 6994820), (5, 5595856), (7, 3997040), (8, 3497410), (10, 2797928), (14, 1998520), (16, 1748705), (17, 1645840), (20, 1398964), (28, 999260), (34, 822920), (35, 799408), (40, 699482), (56, 499630), (68, 411460), (70, 399704), (80, 349741), (85, 329168), (112, 249815), (119, 235120), (136, 205730), (140, 199852), (170, 164584), (238, 117560), (272, 102865), (280, 99926), (340, 82292), (476, 58780), (560, 49963), (595, 47024), (680, 41146), (952, 29390), (1190, 23512), (1360, 20573), (1904, 14695), (2380, 11756), (2939, 9520), (4760, 5878)]