501390920

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1\times {\mathrm{431}}^1$

素因数の和:798

約数の個数: 64

約数和(自身を含む): 1144627200

約数和(自身を除く): 643236280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 229, 254, 431, 458, 508, 635, 862, 916, 1016, 1145, 1270, 1724, 1832, 2155, 2290, 2540, 3448, 4310, 4580, 5080, 8620, 9160, 17240, 29083, 54737, 58166, 98699, 109474, 116332, 145415, 197398, 218948, 232664, 273685, 290830, 394796, 437896, 493495, 547370, 581660, 789592, 986990, 1094740, 1163320, 1973980, 2189480, 3947960, 12534773, 25069546, 50139092, 62673865, 100278184, 125347730, 250695460, 501390920]

約数ペア:

[(1, 501390920), (2, 250695460), (4, 125347730), (5, 100278184), (8, 62673865), (10, 50139092), (20, 25069546), (40, 12534773), (127, 3947960), (229, 2189480), (254, 1973980), (431, 1163320), (458, 1094740), (508, 986990), (635, 789592), (862, 581660), (916, 547370), (1016, 493495), (1145, 437896), (1270, 394796), (1724, 290830), (1832, 273685), (2155, 232664), (2290, 218948), (2540, 197398), (3448, 145415), (4310, 116332), (4580, 109474), (5080, 98699), (8620, 58166), (9160, 54737), (17240, 29083)]