440852440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{479}}^1$

素因数の和:689

約数の個数: 128

約数和(自身を含む): 1202688000

約数和(自身を除く): 761835560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 173, 190, 266, 280, 346, 380, 479, 532, 665, 692, 760, 865, 958, 1064, 1211, 1330, 1384, 1730, 1916, 2395, 2422, 2660, 3287, 3353, 3460, 3832, 4790, 4844, 5320, 6055, 6574, 6706, 6920, 9101, 9580, 9688, 12110, 13148, 13412, 16435, 16765, 18202, 19160, 23009, 24220, 26296, 26824, 32870, 33530, 36404, 45505, 46018, 48440, 63707, 65740, 67060, 72808, 82867, 91010, 92036, 115045, 127414, 131480, 134120, 165734, 182020, 184072, 230090, 254828, 318535, 331468, 364040, 414335, 460180, 509656, 580069, 637070, 662936, 828670, 920360, 1160138, 1274140, 1574473, 1657340, 2320276, 2548280, 2900345, 3148946, 3314680, 4640552, 5800690, 6297892, 7872365, 11021311, 11601380, 12595784, 15744730, 22042622, 23202760, 31489460, 44085244, 55106555, 62978920, 88170488, 110213110, 220426220, 440852440]

約数ペア:

[(1, 440852440), (2, 220426220), (4, 110213110), (5, 88170488), (7, 62978920), (8, 55106555), (10, 44085244), (14, 31489460), (19, 23202760), (20, 22042622), (28, 15744730), (35, 12595784), (38, 11601380), (40, 11021311), (56, 7872365), (70, 6297892), (76, 5800690), (95, 4640552), (133, 3314680), (140, 3148946), (152, 2900345), (173, 2548280), (190, 2320276), (266, 1657340), (280, 1574473), (346, 1274140), (380, 1160138), (479, 920360), (532, 828670), (665, 662936), (692, 637070), (760, 580069), (865, 509656), (958, 460180), (1064, 414335), (1211, 364040), (1330, 331468), (1384, 318535), (1730, 254828), (1916, 230090), (2395, 184072), (2422, 182020), (2660, 165734), (3287, 134120), (3353, 131480), (3460, 127414), (3832, 115045), (4790, 92036), (4844, 91010), (5320, 82867), (6055, 72808), (6574, 67060), (6706, 65740), (6920, 63707), (9101, 48440), (9580, 46018), (9688, 45505), (12110, 36404), (13148, 33530), (13412, 32870), (16435, 26824), (16765, 26296), (18202, 24220), (19160, 23009)]