198445520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27259}}^1$

素因数の和:27292

約数の個数: 80

約数和(自身を含む): 567880320

約数和(自身を除く): 369434800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 27259, 54518, 109036, 136295, 190813, 218072, 272590, 354367, 381626, 436144, 545180, 708734, 763252, 954065, 1090360, 1417468, 1526504, 1771835, 1908130, 2180720, 2480569, 2834936, 3053008, 3543670, 3816260, 4961138, 5669872, 7087340, 7632520, 9922276, 12402845, 14174680, 15265040, 19844552, 24805690, 28349360, 39689104, 49611380, 99222760, 198445520]

約数ペア:

[(1, 198445520), (2, 99222760), (4, 49611380), (5, 39689104), (7, 28349360), (8, 24805690), (10, 19844552), (13, 15265040), (14, 14174680), (16, 12402845), (20, 9922276), (26, 7632520), (28, 7087340), (35, 5669872), (40, 4961138), (52, 3816260), (56, 3543670), (65, 3053008), (70, 2834936), (80, 2480569), (91, 2180720), (104, 1908130), (112, 1771835), (130, 1526504), (140, 1417468), (182, 1090360), (208, 954065), (260, 763252), (280, 708734), (364, 545180), (455, 436144), (520, 381626), (560, 354367), (728, 272590), (910, 218072), (1040, 190813), (1456, 136295), (1820, 109036), (3640, 54518), (7280, 27259)]