2280040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 6220800

約数和(自身を除く): 3940760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 479, 595, 680, 952, 958, 1190, 1916, 2380, 2395, 3353, 3832, 4760, 4790, 6706, 8143, 9580, 13412, 16286, 16765, 19160, 26824, 32572, 33530, 40715, 57001, 65144, 67060, 81430, 114002, 134120, 162860, 228004, 285005, 325720, 456008, 570010, 1140020, 2280040]

約数ペア:

[(1, 2280040), (2, 1140020), (4, 570010), (5, 456008), (7, 325720), (8, 285005), (10, 228004), (14, 162860), (17, 134120), (20, 114002), (28, 81430), (34, 67060), (35, 65144), (40, 57001), (56, 40715), (68, 33530), (70, 32572), (85, 26824), (119, 19160), (136, 16765), (140, 16286), (170, 13412), (238, 9580), (280, 8143), (340, 6706), (476, 4790), (479, 4760), (595, 3832), (680, 3353), (952, 2395), (958, 2380), (1190, 1916)]