257876120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1697}}^1$

素因数の和:1868

約数の個数: 64

約数和(自身を含む): 605167200

約数和(自身を除く): 347291080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 131, 145, 232, 262, 290, 524, 580, 655, 1048, 1160, 1310, 1697, 2620, 3394, 3799, 5240, 6788, 7598, 8485, 13576, 15196, 16970, 18995, 30392, 33940, 37990, 49213, 67880, 75980, 98426, 151960, 196852, 222307, 246065, 393704, 444614, 492130, 889228, 984260, 1111535, 1778456, 1968520, 2223070, 4446140, 6446903, 8892280, 12893806, 25787612, 32234515, 51575224, 64469030, 128938060, 257876120]

約数ペア:

[(1, 257876120), (2, 128938060), (4, 64469030), (5, 51575224), (8, 32234515), (10, 25787612), (20, 12893806), (29, 8892280), (40, 6446903), (58, 4446140), (116, 2223070), (131, 1968520), (145, 1778456), (232, 1111535), (262, 984260), (290, 889228), (524, 492130), (580, 444614), (655, 393704), (1048, 246065), (1160, 222307), (1310, 196852), (1697, 151960), (2620, 98426), (3394, 75980), (3799, 67880), (5240, 49213), (6788, 37990), (7598, 33940), (8485, 30392), (13576, 18995), (15196, 16970)]