42028280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{523}}^1$

素因数の和:589

約数の個数: 96

約数和(自身を含む): 112901040

約数和(自身を除く): 70872760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 70, 82, 98, 140, 164, 196, 205, 245, 280, 287, 328, 392, 410, 490, 523, 574, 820, 980, 1046, 1148, 1435, 1640, 1960, 2009, 2092, 2296, 2615, 2870, 3661, 4018, 4184, 5230, 5740, 7322, 8036, 10045, 10460, 11480, 14644, 16072, 18305, 20090, 20920, 21443, 25627, 29288, 36610, 40180, 42886, 51254, 73220, 80360, 85772, 102508, 107215, 128135, 146440, 150101, 171544, 205016, 214430, 256270, 300202, 428860, 512540, 600404, 750505, 857720, 1025080, 1050707, 1200808, 1501010, 2101414, 3002020, 4202828, 5253535, 6004040, 8405656, 10507070, 21014140, 42028280]

約数ペア:

[(1, 42028280), (2, 21014140), (4, 10507070), (5, 8405656), (7, 6004040), (8, 5253535), (10, 4202828), (14, 3002020), (20, 2101414), (28, 1501010), (35, 1200808), (40, 1050707), (41, 1025080), (49, 857720), (56, 750505), (70, 600404), (82, 512540), (98, 428860), (140, 300202), (164, 256270), (196, 214430), (205, 205016), (245, 171544), (280, 150101), (287, 146440), (328, 128135), (392, 107215), (410, 102508), (490, 85772), (523, 80360), (574, 73220), (820, 51254), (980, 42886), (1046, 40180), (1148, 36610), (1435, 29288), (1640, 25627), (1960, 21443), (2009, 20920), (2092, 20090), (2296, 18305), (2615, 16072), (2870, 14644), (3661, 11480), (4018, 10460), (4184, 10045), (5230, 8036), (5740, 7322)]