768740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 72

約数和(自身を含む): 2063040

約数和(自身を除く): 1294300

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 76, 85, 95, 119, 133, 140, 170, 190, 238, 266, 289, 323, 340, 380, 476, 532, 578, 595, 646, 665, 1156, 1190, 1292, 1330, 1445, 1615, 2023, 2261, 2380, 2660, 2890, 3230, 4046, 4522, 5491, 5780, 6460, 8092, 9044, 10115, 10982, 11305, 20230, 21964, 22610, 27455, 38437, 40460, 45220, 54910, 76874, 109820, 153748, 192185, 384370, 768740]

約数ペア:

[(1, 768740), (2, 384370), (4, 192185), (5, 153748), (7, 109820), (10, 76874), (14, 54910), (17, 45220), (19, 40460), (20, 38437), (28, 27455), (34, 22610), (35, 21964), (38, 20230), (68, 11305), (70, 10982), (76, 10115), (85, 9044), (95, 8092), (119, 6460), (133, 5780), (140, 5491), (170, 4522), (190, 4046), (238, 3230), (266, 2890), (289, 2660), (323, 2380), (340, 2261), (380, 2023), (476, 1615), (532, 1445), (578, 1330), (595, 1292), (646, 1190), (665, 1156)]