394710880

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:632

約数の個数: 96

約数和(自身を含む): 971339040

約数和(自身を除く): 576628160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 257, 290, 331, 464, 514, 580, 662, 928, 1028, 1160, 1285, 1324, 1655, 2056, 2320, 2570, 2648, 3310, 4112, 4640, 5140, 5296, 6620, 7453, 8224, 9599, 10280, 10592, 13240, 14906, 19198, 20560, 26480, 29812, 37265, 38396, 41120, 47995, 52960, 59624, 74530, 76792, 85067, 95990, 119248, 149060, 153584, 170134, 191980, 238496, 298120, 307168, 340268, 383960, 425335, 596240, 680536, 767920, 850670, 1192480, 1361072, 1535840, 1701340, 2466943, 2722144, 3402680, 4933886, 6805360, 9867772, 12334715, 13610720, 19735544, 24669430, 39471088, 49338860, 78942176, 98677720, 197355440, 394710880]

約数ペア:

[(1, 394710880), (2, 197355440), (4, 98677720), (5, 78942176), (8, 49338860), (10, 39471088), (16, 24669430), (20, 19735544), (29, 13610720), (32, 12334715), (40, 9867772), (58, 6805360), (80, 4933886), (116, 3402680), (145, 2722144), (160, 2466943), (232, 1701340), (257, 1535840), (290, 1361072), (331, 1192480), (464, 850670), (514, 767920), (580, 680536), (662, 596240), (928, 425335), (1028, 383960), (1160, 340268), (1285, 307168), (1324, 298120), (1655, 238496), (2056, 191980), (2320, 170134), (2570, 153584), (2648, 149060), (3310, 119248), (4112, 95990), (4640, 85067), (5140, 76792), (5296, 74530), (6620, 59624), (7453, 52960), (8224, 47995), (9599, 41120), (10280, 38396), (10592, 37265), (13240, 29812), (14906, 26480), (19198, 20560)]