205969960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43271}}^1$

素因数の和:43306

約数の個数: 64

約数和(自身を含む): 560805120

約数和(自身を除く): 354835160

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, 595, 680, 952, 1190, 2380, 4760, 43271, 86542, 173084, 216355, 302897, 346168, 432710, 605794, 735607, 865420, 1211588, 1471214, 1514485, 1730840, 2423176, 2942428, 3028970, 3678035, 5149249, 5884856, 6057940, 7356070, 10298498, 12115880, 14712140, 20596996, 25746245, 29424280, 41193992, 51492490, 102984980, 205969960]

約数ペア:

[(1, 205969960), (2, 102984980), (4, 51492490), (5, 41193992), (7, 29424280), (8, 25746245), (10, 20596996), (14, 14712140), (17, 12115880), (20, 10298498), (28, 7356070), (34, 6057940), (35, 5884856), (40, 5149249), (56, 3678035), (68, 3028970), (70, 2942428), (85, 2423176), (119, 1730840), (136, 1514485), (140, 1471214), (170, 1211588), (238, 865420), (280, 735607), (340, 605794), (476, 432710), (595, 346168), (680, 302897), (952, 216355), (1190, 173084), (2380, 86542), (4760, 43271)]