311907800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1039}}^1$

素因数の和:1153

約数の個数: 96

約数和(自身を含む): 773760000

約数和(自身を除く): 461852200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 79, 95, 100, 152, 158, 190, 200, 316, 380, 395, 475, 632, 760, 790, 950, 1039, 1501, 1580, 1900, 1975, 2078, 3002, 3160, 3800, 3950, 4156, 5195, 6004, 7505, 7900, 8312, 10390, 12008, 15010, 15800, 19741, 20780, 25975, 30020, 37525, 39482, 41560, 51950, 60040, 75050, 78964, 82081, 98705, 103900, 150100, 157928, 164162, 197410, 207800, 300200, 328324, 394820, 410405, 493525, 656648, 789640, 820810, 987050, 1559539, 1641620, 1974100, 2052025, 3119078, 3283240, 3948200, 4104050, 6238156, 7797695, 8208100, 12476312, 15595390, 16416200, 31190780, 38988475, 62381560, 77976950, 155953900, 311907800]

約数ペア:

[(1, 311907800), (2, 155953900), (4, 77976950), (5, 62381560), (8, 38988475), (10, 31190780), (19, 16416200), (20, 15595390), (25, 12476312), (38, 8208100), (40, 7797695), (50, 6238156), (76, 4104050), (79, 3948200), (95, 3283240), (100, 3119078), (152, 2052025), (158, 1974100), (190, 1641620), (200, 1559539), (316, 987050), (380, 820810), (395, 789640), (475, 656648), (632, 493525), (760, 410405), (790, 394820), (950, 328324), (1039, 300200), (1501, 207800), (1580, 197410), (1900, 164162), (1975, 157928), (2078, 150100), (3002, 103900), (3160, 98705), (3800, 82081), (3950, 78964), (4156, 75050), (5195, 60040), (6004, 51950), (7505, 41560), (7900, 39482), (8312, 37525), (10390, 30020), (12008, 25975), (15010, 20780), (15800, 19741)]