238920080

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{8707}}^1$

素因数の和:8741

約数の個数: 80

約数和(自身を含む): 647875200

約数和(自身を除く): 408955120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5488, 6860, 8707, 13720, 17414, 27440, 34828, 43535, 60949, 69656, 87070, 121898, 139312, 174140, 243796, 304745, 348280, 426643, 487592, 609490, 696560, 853286, 975184, 1218980, 1706572, 2133215, 2437960, 2986501, 3413144, 4266430, 4875920, 5973002, 6826288, 8532860, 11946004, 14932505, 17065720, 23892008, 29865010, 34131440, 47784016, 59730020, 119460040, 238920080]

約数ペア:

[(1, 238920080), (2, 119460040), (4, 59730020), (5, 47784016), (7, 34131440), (8, 29865010), (10, 23892008), (14, 17065720), (16, 14932505), (20, 11946004), (28, 8532860), (35, 6826288), (40, 5973002), (49, 4875920), (56, 4266430), (70, 3413144), (80, 2986501), (98, 2437960), (112, 2133215), (140, 1706572), (196, 1218980), (245, 975184), (280, 853286), (343, 696560), (392, 609490), (490, 487592), (560, 426643), (686, 348280), (784, 304745), (980, 243796), (1372, 174140), (1715, 139312), (1960, 121898), (2744, 87070), (3430, 69656), (3920, 60949), (5488, 43535), (6860, 34828), (8707, 27440), (13720, 17414)]