404991680

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{683}}^1$

素因数の和:826

約数の個数: 112

約数和(自身を含む): 1031991840

約数和(自身を除く): 627000160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 109, 136, 160, 170, 218, 272, 320, 340, 436, 544, 545, 680, 683, 872, 1088, 1090, 1360, 1366, 1744, 1853, 2180, 2720, 2732, 3415, 3488, 3706, 4360, 5440, 5464, 6830, 6976, 7412, 8720, 9265, 10928, 11611, 13660, 14824, 17440, 18530, 21856, 23222, 27320, 29648, 34880, 37060, 43712, 46444, 54640, 58055, 59296, 74120, 74447, 92888, 109280, 116110, 118592, 148240, 148894, 185776, 218560, 232220, 296480, 297788, 371552, 372235, 464440, 592960, 595576, 743104, 744470, 928880, 1191152, 1265599, 1488940, 1857760, 2382304, 2531198, 2977880, 3715520, 4764608, 5062396, 5955760, 6327995, 10124792, 11911520, 12655990, 20249584, 23823040, 25311980, 40499168, 50623960, 80998336, 101247920, 202495840, 404991680]

約数ペア:

[(1, 404991680), (2, 202495840), (4, 101247920), (5, 80998336), (8, 50623960), (10, 40499168), (16, 25311980), (17, 23823040), (20, 20249584), (32, 12655990), (34, 11911520), (40, 10124792), (64, 6327995), (68, 5955760), (80, 5062396), (85, 4764608), (109, 3715520), (136, 2977880), (160, 2531198), (170, 2382304), (218, 1857760), (272, 1488940), (320, 1265599), (340, 1191152), (436, 928880), (544, 744470), (545, 743104), (680, 595576), (683, 592960), (872, 464440), (1088, 372235), (1090, 371552), (1360, 297788), (1366, 296480), (1744, 232220), (1853, 218560), (2180, 185776), (2720, 148894), (2732, 148240), (3415, 118592), (3488, 116110), (3706, 109280), (4360, 92888), (5440, 74447), (5464, 74120), (6830, 59296), (6976, 58055), (7412, 54640), (8720, 46444), (9265, 43712), (10928, 37060), (11611, 34880), (13660, 29648), (14824, 27320), (17440, 23222), (18530, 21856)]