3554140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 8064000

約数和(自身を除く): 4509860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 199, 235, 380, 398, 470, 796, 893, 940, 995, 1786, 1990, 3572, 3781, 3980, 4465, 7562, 8930, 9353, 15124, 17860, 18706, 18905, 37412, 37810, 46765, 75620, 93530, 177707, 187060, 355414, 710828, 888535, 1777070, 3554140]

約数ペア:

[(1, 3554140), (2, 1777070), (4, 888535), (5, 710828), (10, 355414), (19, 187060), (20, 177707), (38, 93530), (47, 75620), (76, 46765), (94, 37810), (95, 37412), (188, 18905), (190, 18706), (199, 17860), (235, 15124), (380, 9353), (398, 8930), (470, 7562), (796, 4465), (893, 3980), (940, 3781), (995, 3572), (1786, 1990)]