940147120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{4157}}^1$

素因数の和:4438

約数の個数: 80

約数和(自身を含む): 2394409248

約数和(自身を除く): 1454262128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 257, 440, 514, 880, 1028, 1285, 2056, 2570, 2827, 4112, 4157, 5140, 5654, 8314, 10280, 11308, 14135, 16628, 20560, 20785, 22616, 28270, 33256, 41570, 45232, 45727, 56540, 66512, 83140, 91454, 113080, 166280, 182908, 226160, 228635, 332560, 365816, 457270, 731632, 914540, 1068349, 1829080, 2136698, 3658160, 4273396, 5341745, 8546792, 10683490, 11751839, 17093584, 21366980, 23503678, 42733960, 47007356, 58759195, 85467920, 94014712, 117518390, 188029424, 235036780, 470073560, 940147120]

約数ペア:

[(1, 940147120), (2, 470073560), (4, 235036780), (5, 188029424), (8, 117518390), (10, 94014712), (11, 85467920), (16, 58759195), (20, 47007356), (22, 42733960), (40, 23503678), (44, 21366980), (55, 17093584), (80, 11751839), (88, 10683490), (110, 8546792), (176, 5341745), (220, 4273396), (257, 3658160), (440, 2136698), (514, 1829080), (880, 1068349), (1028, 914540), (1285, 731632), (2056, 457270), (2570, 365816), (2827, 332560), (4112, 228635), (4157, 226160), (5140, 182908), (5654, 166280), (8314, 113080), (10280, 91454), (11308, 83140), (14135, 66512), (16628, 56540), (20560, 45727), (20785, 45232), (22616, 41570), (28270, 33256)]