77578000

素因数分解:

$2^4\times 5^3\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:593

約数の個数: 80

約数和(自身を含む): 190344960

約数和(自身を除く): 112766960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 125, 158, 200, 250, 316, 395, 400, 491, 500, 632, 790, 982, 1000, 1264, 1580, 1964, 1975, 2000, 2455, 3160, 3928, 3950, 4910, 6320, 7856, 7900, 9820, 9875, 12275, 15800, 19640, 19750, 24550, 31600, 38789, 39280, 39500, 49100, 61375, 77578, 79000, 98200, 122750, 155156, 158000, 193945, 196400, 245500, 310312, 387890, 491000, 620624, 775780, 969725, 982000, 1551560, 1939450, 3103120, 3878900, 4848625, 7757800, 9697250, 15515600, 19394500, 38789000, 77578000]

約数ペア:

[(1, 77578000), (2, 38789000), (4, 19394500), (5, 15515600), (8, 9697250), (10, 7757800), (16, 4848625), (20, 3878900), (25, 3103120), (40, 1939450), (50, 1551560), (79, 982000), (80, 969725), (100, 775780), (125, 620624), (158, 491000), (200, 387890), (250, 310312), (316, 245500), (395, 196400), (400, 193945), (491, 158000), (500, 155156), (632, 122750), (790, 98200), (982, 79000), (1000, 77578), (1264, 61375), (1580, 49100), (1964, 39500), (1975, 39280), (2000, 38789), (2455, 31600), (3160, 24550), (3928, 19750), (3950, 19640), (4910, 15800), (6320, 12275), (7856, 9875), (7900, 9820)]