208690720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{479}}^1$

素因数の和:890

約数の個数: 96

約数和(自身を含む): 566092800

約数和(自身を除く): 357402080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 389, 479, 560, 778, 958, 1120, 1556, 1916, 1945, 2395, 2723, 3112, 3353, 3832, 3890, 4790, 5446, 6224, 6706, 7664, 7780, 9580, 10892, 12448, 13412, 13615, 15328, 15560, 16765, 19160, 21784, 26824, 27230, 31120, 33530, 38320, 43568, 53648, 54460, 62240, 67060, 76640, 87136, 107296, 108920, 134120, 186331, 217840, 268240, 372662, 435680, 536480, 745324, 931655, 1304317, 1490648, 1863310, 2608634, 2981296, 3726620, 5217268, 5962592, 6521585, 7453240, 10434536, 13043170, 14906480, 20869072, 26086340, 29812960, 41738144, 52172680, 104345360, 208690720]

約数ペア:

[(1, 208690720), (2, 104345360), (4, 52172680), (5, 41738144), (7, 29812960), (8, 26086340), (10, 20869072), (14, 14906480), (16, 13043170), (20, 10434536), (28, 7453240), (32, 6521585), (35, 5962592), (40, 5217268), (56, 3726620), (70, 2981296), (80, 2608634), (112, 1863310), (140, 1490648), (160, 1304317), (224, 931655), (280, 745324), (389, 536480), (479, 435680), (560, 372662), (778, 268240), (958, 217840), (1120, 186331), (1556, 134120), (1916, 108920), (1945, 107296), (2395, 87136), (2723, 76640), (3112, 67060), (3353, 62240), (3832, 54460), (3890, 53648), (4790, 43568), (5446, 38320), (6224, 33530), (6706, 31120), (7664, 27230), (7780, 26824), (9580, 21784), (10892, 19160), (12448, 16765), (13412, 15560), (13615, 15328)]