78208750

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 80

約数和(自身を含む): 160261200

約数和(自身を除く): 82052450

約数列:

[1, 2, 5, 10, 19, 25, 37, 38, 50, 74, 89, 95, 125, 178, 185, 190, 250, 370, 445, 475, 625, 703, 890, 925, 950, 1250, 1406, 1691, 1850, 2225, 2375, 3293, 3382, 3515, 4450, 4625, 4750, 6586, 7030, 8455, 9250, 11125, 11875, 16465, 16910, 17575, 22250, 23125, 23750, 32930, 35150, 42275, 46250, 55625, 62567, 82325, 84550, 87875, 111250, 125134, 164650, 175750, 211375, 312835, 411625, 422750, 439375, 625670, 823250, 878750, 1056875, 1564175, 2058125, 2113750, 3128350, 4116250, 7820875, 15641750, 39104375, 78208750]

約数ペア:

[(1, 78208750), (2, 39104375), (5, 15641750), (10, 7820875), (19, 4116250), (25, 3128350), (37, 2113750), (38, 2058125), (50, 1564175), (74, 1056875), (89, 878750), (95, 823250), (125, 625670), (178, 439375), (185, 422750), (190, 411625), (250, 312835), (370, 211375), (445, 175750), (475, 164650), (625, 125134), (703, 111250), (890, 87875), (925, 84550), (950, 82325), (1250, 62567), (1406, 55625), (1691, 46250), (1850, 42275), (2225, 35150), (2375, 32930), (3293, 23750), (3382, 23125), (3515, 22250), (4450, 17575), (4625, 16910), (4750, 16465), (6586, 11875), (7030, 11125), (8455, 9250)]