19944400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:461

約数の個数: 120

約数和(自身を含む): 58121280

約数和(自身を除く): 38176880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 34, 35, 40, 50, 56, 68, 70, 80, 85, 100, 112, 119, 136, 140, 170, 175, 200, 238, 272, 280, 340, 350, 400, 419, 425, 476, 560, 595, 680, 700, 838, 850, 952, 1190, 1360, 1400, 1676, 1700, 1904, 2095, 2380, 2800, 2933, 2975, 3352, 3400, 4190, 4760, 5866, 5950, 6704, 6800, 7123, 8380, 9520, 10475, 11732, 11900, 14246, 14665, 16760, 20950, 23464, 23800, 28492, 29330, 33520, 35615, 41900, 46928, 47600, 49861, 56984, 58660, 71230, 73325, 83800, 99722, 113968, 117320, 142460, 146650, 167600, 178075, 199444, 234640, 249305, 284920, 293300, 356150, 398888, 498610, 569840, 586600, 712300, 797776, 997220, 1173200, 1246525, 1424600, 1994440, 2493050, 2849200, 3988880, 4986100, 9972200, 19944400]

約数ペア:

[(1, 19944400), (2, 9972200), (4, 4986100), (5, 3988880), (7, 2849200), (8, 2493050), (10, 1994440), (14, 1424600), (16, 1246525), (17, 1173200), (20, 997220), (25, 797776), (28, 712300), (34, 586600), (35, 569840), (40, 498610), (50, 398888), (56, 356150), (68, 293300), (70, 284920), (80, 249305), (85, 234640), (100, 199444), (112, 178075), (119, 167600), (136, 146650), (140, 142460), (170, 117320), (175, 113968), (200, 99722), (238, 83800), (272, 73325), (280, 71230), (340, 58660), (350, 56984), (400, 49861), (419, 47600), (425, 46928), (476, 41900), (560, 35615), (595, 33520), (680, 29330), (700, 28492), (838, 23800), (850, 23464), (952, 20950), (1190, 16760), (1360, 14665), (1400, 14246), (1676, 11900), (1700, 11732), (1904, 10475), (2095, 9520), (2380, 8380), (2800, 7123), (2933, 6800), (2975, 6704), (3352, 5950), (3400, 5866), (4190, 4760)]