210871640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{3943}}^1$

素因数の和:4152

約数の個数: 64

約数和(自身を含む): 545218560

約数和(自身を除く): 334346920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 280, 382, 764, 955, 1337, 1528, 1910, 2674, 3820, 3943, 5348, 6685, 7640, 7886, 10696, 13370, 15772, 19715, 26740, 27601, 31544, 39430, 53480, 55202, 78860, 110404, 138005, 157720, 220808, 276010, 552020, 753113, 1104040, 1506226, 3012452, 3765565, 5271791, 6024904, 7531130, 10543582, 15062260, 21087164, 26358955, 30124520, 42174328, 52717910, 105435820, 210871640]

約数ペア:

[(1, 210871640), (2, 105435820), (4, 52717910), (5, 42174328), (7, 30124520), (8, 26358955), (10, 21087164), (14, 15062260), (20, 10543582), (28, 7531130), (35, 6024904), (40, 5271791), (56, 3765565), (70, 3012452), (140, 1506226), (191, 1104040), (280, 753113), (382, 552020), (764, 276010), (955, 220808), (1337, 157720), (1528, 138005), (1910, 110404), (2674, 78860), (3820, 55202), (3943, 53480), (5348, 39430), (6685, 31544), (7640, 27601), (7886, 26740), (10696, 19715), (13370, 15772)]