256977700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12659}}^1$

素因数の和:12709

約数の個数: 72

約数和(自身を含む): 659332800

約数和(自身を除く): 402355100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 140, 145, 175, 203, 290, 350, 406, 580, 700, 725, 812, 1015, 1450, 2030, 2900, 4060, 5075, 10150, 12659, 20300, 25318, 50636, 63295, 88613, 126590, 177226, 253180, 316475, 354452, 367111, 443065, 632950, 734222, 886130, 1265900, 1468444, 1772260, 1835555, 2215325, 2569777, 3671110, 4430650, 5139554, 7342220, 8861300, 9177775, 10279108, 12848885, 18355550, 25697770, 36711100, 51395540, 64244425, 128488850, 256977700]

約数ペア:

[(1, 256977700), (2, 128488850), (4, 64244425), (5, 51395540), (7, 36711100), (10, 25697770), (14, 18355550), (20, 12848885), (25, 10279108), (28, 9177775), (29, 8861300), (35, 7342220), (50, 5139554), (58, 4430650), (70, 3671110), (100, 2569777), (116, 2215325), (140, 1835555), (145, 1772260), (175, 1468444), (203, 1265900), (290, 886130), (350, 734222), (406, 632950), (580, 443065), (700, 367111), (725, 354452), (812, 316475), (1015, 253180), (1450, 177226), (2030, 126590), (2900, 88613), (4060, 63295), (5075, 50636), (10150, 25318), (12659, 20300)]