206825840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2801}}^1$

素因数の和:2898

約数の個数: 80

約数和(自身を含む): 525341376

約数和(自身を除く): 318515536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 520, 568, 710, 923, 1040, 1136, 1420, 1846, 2801, 2840, 3692, 4615, 5602, 5680, 7384, 9230, 11204, 14005, 14768, 18460, 22408, 28010, 36413, 36920, 44816, 56020, 72826, 73840, 112040, 145652, 182065, 198871, 224080, 291304, 364130, 397742, 582608, 728260, 795484, 994355, 1456520, 1590968, 1988710, 2585323, 2913040, 3181936, 3977420, 5170646, 7954840, 10341292, 12926615, 15909680, 20682584, 25853230, 41365168, 51706460, 103412920, 206825840]

約数ペア:

[(1, 206825840), (2, 103412920), (4, 51706460), (5, 41365168), (8, 25853230), (10, 20682584), (13, 15909680), (16, 12926615), (20, 10341292), (26, 7954840), (40, 5170646), (52, 3977420), (65, 3181936), (71, 2913040), (80, 2585323), (104, 1988710), (130, 1590968), (142, 1456520), (208, 994355), (260, 795484), (284, 728260), (355, 582608), (520, 397742), (568, 364130), (710, 291304), (923, 224080), (1040, 198871), (1136, 182065), (1420, 145652), (1846, 112040), (2801, 73840), (2840, 72826), (3692, 56020), (4615, 44816), (5602, 36920), (5680, 36413), (7384, 28010), (9230, 22408), (11204, 18460), (14005, 14768)]