78916250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:369

約数の個数: 80

約数和(自身を含む): 175443840

約数和(自身を除く): 96527590

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 125, 145, 175, 203, 250, 290, 311, 350, 406, 622, 625, 725, 875, 1015, 1250, 1450, 1555, 1750, 2030, 2177, 3110, 3625, 4354, 4375, 5075, 7250, 7775, 8750, 9019, 10150, 10885, 15550, 18038, 18125, 21770, 25375, 36250, 38875, 45095, 50750, 54425, 63133, 77750, 90190, 108850, 126266, 126875, 194375, 225475, 253750, 272125, 315665, 388750, 450950, 544250, 631330, 1127375, 1360625, 1578325, 2254750, 2721250, 3156650, 5636875, 7891625, 11273750, 15783250, 39458125, 78916250]

約数ペア:

[(1, 78916250), (2, 39458125), (5, 15783250), (7, 11273750), (10, 7891625), (14, 5636875), (25, 3156650), (29, 2721250), (35, 2254750), (50, 1578325), (58, 1360625), (70, 1127375), (125, 631330), (145, 544250), (175, 450950), (203, 388750), (250, 315665), (290, 272125), (311, 253750), (350, 225475), (406, 194375), (622, 126875), (625, 126266), (725, 108850), (875, 90190), (1015, 77750), (1250, 63133), (1450, 54425), (1555, 50750), (1750, 45095), (2030, 38875), (2177, 36250), (3110, 25375), (3625, 21770), (4354, 18125), (4375, 18038), (5075, 15550), (7250, 10885), (7775, 10150), (8750, 9019)]