317709920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1861}}^1$

素因数の和:1984

約数の個数: 96

約数和(自身を含む): 827711136

約数和(自身を除く): 510001216

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 97, 110, 160, 176, 194, 220, 352, 388, 440, 485, 776, 880, 970, 1067, 1552, 1760, 1861, 1940, 2134, 3104, 3722, 3880, 4268, 5335, 7444, 7760, 8536, 9305, 10670, 14888, 15520, 17072, 18610, 20471, 21340, 29776, 34144, 37220, 40942, 42680, 59552, 74440, 81884, 85360, 102355, 148880, 163768, 170720, 180517, 204710, 297760, 327536, 361034, 409420, 655072, 722068, 818840, 902585, 1444136, 1637680, 1805170, 1985687, 2888272, 3275360, 3610340, 3971374, 5776544, 7220680, 7942748, 9928435, 14441360, 15885496, 19856870, 28882720, 31770992, 39713740, 63541984, 79427480, 158854960, 317709920]

約数ペア:

[(1, 317709920), (2, 158854960), (4, 79427480), (5, 63541984), (8, 39713740), (10, 31770992), (11, 28882720), (16, 19856870), (20, 15885496), (22, 14441360), (32, 9928435), (40, 7942748), (44, 7220680), (55, 5776544), (80, 3971374), (88, 3610340), (97, 3275360), (110, 2888272), (160, 1985687), (176, 1805170), (194, 1637680), (220, 1444136), (352, 902585), (388, 818840), (440, 722068), (485, 655072), (776, 409420), (880, 361034), (970, 327536), (1067, 297760), (1552, 204710), (1760, 180517), (1861, 170720), (1940, 163768), (2134, 148880), (3104, 102355), (3722, 85360), (3880, 81884), (4268, 74440), (5335, 59552), (7444, 42680), (7760, 40942), (8536, 37220), (9305, 34144), (10670, 29776), (14888, 21340), (15520, 20471), (17072, 18610)]