251110140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{21031}}^1$

素因数の和:21242

約数の個数: 48

約数和(自身を含む): 706675200

約数和(自身を除く): 455565060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1990, 2388, 2985, 3980, 5970, 11940, 21031, 42062, 63093, 84124, 105155, 126186, 210310, 252372, 315465, 420620, 630930, 1261860, 4185169, 8370338, 12555507, 16740676, 20925845, 25111014, 41851690, 50222028, 62777535, 83703380, 125555070, 251110140]

約数ペア:

[(1, 251110140), (2, 125555070), (3, 83703380), (4, 62777535), (5, 50222028), (6, 41851690), (10, 25111014), (12, 20925845), (15, 16740676), (20, 12555507), (30, 8370338), (60, 4185169), (199, 1261860), (398, 630930), (597, 420620), (796, 315465), (995, 252372), (1194, 210310), (1990, 126186), (2388, 105155), (2985, 84124), (3980, 63093), (5970, 42062), (11940, 21031)]