257836040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{11959}}^1$

素因数の和:11995

約数の個数: 96

約数和(自身を含む): 736257600

約数和(自身を除く): 478421560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1960, 2156, 2695, 3080, 4312, 5390, 10780, 11959, 21560, 23918, 47836, 59795, 83713, 95672, 119590, 131549, 167426, 239180, 263098, 334852, 418565, 478360, 526196, 585991, 657745, 669704, 837130, 920843, 1052392, 1171982, 1315490, 1674260, 1841686, 2343964, 2630980, 2929955, 3348520, 3683372, 4604215, 4687928, 5261960, 5859910, 6445901, 7366744, 9208430, 11719820, 12891802, 18416860, 23439640, 25783604, 32229505, 36833720, 51567208, 64459010, 128918020, 257836040]

約数ペア:

[(1, 257836040), (2, 128918020), (4, 64459010), (5, 51567208), (7, 36833720), (8, 32229505), (10, 25783604), (11, 23439640), (14, 18416860), (20, 12891802), (22, 11719820), (28, 9208430), (35, 7366744), (40, 6445901), (44, 5859910), (49, 5261960), (55, 4687928), (56, 4604215), (70, 3683372), (77, 3348520), (88, 2929955), (98, 2630980), (110, 2343964), (140, 1841686), (154, 1674260), (196, 1315490), (220, 1171982), (245, 1052392), (280, 920843), (308, 837130), (385, 669704), (392, 657745), (440, 585991), (490, 526196), (539, 478360), (616, 418565), (770, 334852), (980, 263098), (1078, 239180), (1540, 167426), (1960, 131549), (2156, 119590), (2695, 95672), (3080, 83713), (4312, 59795), (5390, 47836), (10780, 23918), (11959, 21560)]