257130300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{122443}}^1$

素因数の和:122467

約数の個数: 72

約数和(自身を含む): 850251136

約数和(自身を除く): 593120836

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 122443, 244886, 367329, 489772, 612215, 734658, 857101, 1224430, 1469316, 1714202, 1836645, 2448860, 2571303, 3061075, 3428404, 3673290, 4285505, 5142606, 6122150, 7346580, 8571010, 9183225, 10285212, 12244300, 12856515, 17142020, 18366450, 21427525, 25713030, 36732900, 42855050, 51426060, 64282575, 85710100, 128565150, 257130300]

約数ペア:

[(1, 257130300), (2, 128565150), (3, 85710100), (4, 64282575), (5, 51426060), (6, 42855050), (7, 36732900), (10, 25713030), (12, 21427525), (14, 18366450), (15, 17142020), (20, 12856515), (21, 12244300), (25, 10285212), (28, 9183225), (30, 8571010), (35, 7346580), (42, 6122150), (50, 5142606), (60, 4285505), (70, 3673290), (75, 3428404), (84, 3061075), (100, 2571303), (105, 2448860), (140, 1836645), (150, 1714202), (175, 1469316), (210, 1224430), (300, 857101), (350, 734658), (420, 612215), (525, 489772), (700, 367329), (1050, 244886), (2100, 122443)]