7896400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1039}}^1$

素因数の和:1076

約数の個数: 60

約数和(自身を含む): 19988800

約数和(自身を除く): 12092400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1039, 1520, 1900, 2078, 3800, 4156, 5195, 7600, 8312, 10390, 16624, 19741, 20780, 25975, 39482, 41560, 51950, 78964, 83120, 98705, 103900, 157928, 197410, 207800, 315856, 394820, 415600, 493525, 789640, 987050, 1579280, 1974100, 3948200, 7896400]

約数ペア:

[(1, 7896400), (2, 3948200), (4, 1974100), (5, 1579280), (8, 987050), (10, 789640), (16, 493525), (19, 415600), (20, 394820), (25, 315856), (38, 207800), (40, 197410), (50, 157928), (76, 103900), (80, 98705), (95, 83120), (100, 78964), (152, 51950), (190, 41560), (200, 39482), (304, 25975), (380, 20780), (400, 19741), (475, 16624), (760, 10390), (950, 8312), (1039, 7600), (1520, 5195), (1900, 4156), (2078, 3800)]