78211220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12107}}^1$

素因数の和:12152

約数の個数: 48

約数和(自身を含む): 183072960

約数和(自身を除く): 104861740

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 12107, 24214, 48428, 60535, 121070, 205819, 230033, 242140, 411638, 460066, 823276, 920132, 1029095, 1150165, 2058190, 2300330, 3910561, 4116380, 4600660, 7821122, 15642244, 19552805, 39105610, 78211220]

約数ペア:

[(1, 78211220), (2, 39105610), (4, 19552805), (5, 15642244), (10, 7821122), (17, 4600660), (19, 4116380), (20, 3910561), (34, 2300330), (38, 2058190), (68, 1150165), (76, 1029095), (85, 920132), (95, 823276), (170, 460066), (190, 411638), (323, 242140), (340, 230033), (380, 205819), (646, 121070), (1292, 60535), (1615, 48428), (3230, 24214), (6460, 12107)]