140641880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{461}}^1$

素因数の和:764

約数の個数: 64

約数和(自身を含む): 329313600

約数和(自身を除く): 188671720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 263, 290, 461, 526, 580, 922, 1052, 1160, 1315, 1844, 2104, 2305, 2630, 3688, 4610, 5260, 7627, 9220, 10520, 13369, 15254, 18440, 26738, 30508, 38135, 53476, 61016, 66845, 76270, 106952, 121243, 133690, 152540, 242486, 267380, 305080, 484972, 534760, 606215, 969944, 1212430, 2424860, 3516047, 4849720, 7032094, 14064188, 17580235, 28128376, 35160470, 70320940, 140641880]

約数ペア:

[(1, 140641880), (2, 70320940), (4, 35160470), (5, 28128376), (8, 17580235), (10, 14064188), (20, 7032094), (29, 4849720), (40, 3516047), (58, 2424860), (116, 1212430), (145, 969944), (232, 606215), (263, 534760), (290, 484972), (461, 305080), (526, 267380), (580, 242486), (922, 152540), (1052, 133690), (1160, 121243), (1315, 106952), (1844, 76270), (2104, 66845), (2305, 61016), (2630, 53476), (3688, 38135), (4610, 30508), (5260, 26738), (7627, 18440), (9220, 15254), (10520, 13369)]