389758192

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 801377280

約数和(自身を除く): 411619088

約数列:

[1, 2, 4, 8, 16, 43, 71, 79, 86, 101, 142, 158, 172, 202, 284, 316, 344, 404, 568, 632, 688, 808, 1136, 1264, 1616, 3053, 3397, 4343, 5609, 6106, 6794, 7171, 7979, 8686, 11218, 12212, 13588, 14342, 15958, 17372, 22436, 24424, 27176, 28684, 31916, 34744, 44872, 48848, 54352, 57368, 63832, 69488, 89744, 114736, 127664, 241187, 308353, 343097, 482374, 566509, 616706, 686194, 964748, 1133018, 1233412, 1372388, 1929496, 2266036, 2466824, 2744776, 3858992, 4532072, 4933648, 5489552, 9064144, 24359887, 48719774, 97439548, 194879096, 389758192]

約数ペア:

[(1, 389758192), (2, 194879096), (4, 97439548), (8, 48719774), (16, 24359887), (43, 9064144), (71, 5489552), (79, 4933648), (86, 4532072), (101, 3858992), (142, 2744776), (158, 2466824), (172, 2266036), (202, 1929496), (284, 1372388), (316, 1233412), (344, 1133018), (404, 964748), (568, 686194), (632, 616706), (688, 566509), (808, 482374), (1136, 343097), (1264, 308353), (1616, 241187), (3053, 127664), (3397, 114736), (4343, 89744), (5609, 69488), (6106, 63832), (6794, 57368), (7171, 54352), (7979, 48848), (8686, 44872), (11218, 34744), (12212, 31916), (13588, 28684), (14342, 27176), (15958, 24424), (17372, 22436)]