19707100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:667

約数の個数: 72

約数和(自身を含む): 49996800

約数和(自身を除く): 30289700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 70, 94, 100, 140, 175, 188, 235, 329, 350, 470, 599, 658, 700, 940, 1175, 1198, 1316, 1645, 2350, 2396, 2995, 3290, 4193, 4700, 5990, 6580, 8225, 8386, 11980, 14975, 16450, 16772, 20965, 28153, 29950, 32900, 41930, 56306, 59900, 83860, 104825, 112612, 140765, 197071, 209650, 281530, 394142, 419300, 563060, 703825, 788284, 985355, 1407650, 1970710, 2815300, 3941420, 4926775, 9853550, 19707100]

約数ペア:

[(1, 19707100), (2, 9853550), (4, 4926775), (5, 3941420), (7, 2815300), (10, 1970710), (14, 1407650), (20, 985355), (25, 788284), (28, 703825), (35, 563060), (47, 419300), (50, 394142), (70, 281530), (94, 209650), (100, 197071), (140, 140765), (175, 112612), (188, 104825), (235, 83860), (329, 59900), (350, 56306), (470, 41930), (599, 32900), (658, 29950), (700, 28153), (940, 20965), (1175, 16772), (1198, 16450), (1316, 14975), (1645, 11980), (2350, 8386), (2396, 8225), (2995, 6580), (3290, 5990), (4193, 4700)]