235887280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{499}}^1$

素因数の和:842

約数の個数: 80

約数和(自身を含む): 580320000

約数和(自身を除く): 344432720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 311, 380, 499, 622, 760, 998, 1244, 1520, 1555, 1996, 2488, 2495, 3110, 3992, 4976, 4990, 5909, 6220, 7984, 9481, 9980, 11818, 12440, 18962, 19960, 23636, 24880, 29545, 37924, 39920, 47272, 47405, 59090, 75848, 94544, 94810, 118180, 151696, 155189, 189620, 236360, 310378, 379240, 472720, 620756, 758480, 775945, 1241512, 1551890, 2483024, 2948591, 3103780, 5897182, 6207560, 11794364, 12415120, 14742955, 23588728, 29485910, 47177456, 58971820, 117943640, 235887280]

約数ペア:

[(1, 235887280), (2, 117943640), (4, 58971820), (5, 47177456), (8, 29485910), (10, 23588728), (16, 14742955), (19, 12415120), (20, 11794364), (38, 6207560), (40, 5897182), (76, 3103780), (80, 2948591), (95, 2483024), (152, 1551890), (190, 1241512), (304, 775945), (311, 758480), (380, 620756), (499, 472720), (622, 379240), (760, 310378), (998, 236360), (1244, 189620), (1520, 155189), (1555, 151696), (1996, 118180), (2488, 94810), (2495, 94544), (3110, 75848), (3992, 59090), (4976, 47405), (4990, 47272), (5909, 39920), (6220, 37924), (7984, 29545), (9481, 24880), (9980, 23636), (11818, 19960), (12440, 18962)]