28282100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3673}}^1$

素因数の和:3705

約数の個数: 72

約数和(自身を含む): 76536768

約数和(自身を除く): 48254668

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3673, 3850, 7346, 7700, 14692, 18365, 25711, 36730, 40403, 51422, 73460, 80806, 91825, 102844, 128555, 161612, 183650, 202015, 257110, 282821, 367300, 404030, 514220, 565642, 642775, 808060, 1010075, 1131284, 1285550, 1414105, 2020150, 2571100, 2828210, 4040300, 5656420, 7070525, 14141050, 28282100]

約数ペア:

[(1, 28282100), (2, 14141050), (4, 7070525), (5, 5656420), (7, 4040300), (10, 2828210), (11, 2571100), (14, 2020150), (20, 1414105), (22, 1285550), (25, 1131284), (28, 1010075), (35, 808060), (44, 642775), (50, 565642), (55, 514220), (70, 404030), (77, 367300), (100, 282821), (110, 257110), (140, 202015), (154, 183650), (175, 161612), (220, 128555), (275, 102844), (308, 91825), (350, 80806), (385, 73460), (550, 51422), (700, 40403), (770, 36730), (1100, 25711), (1540, 18365), (1925, 14692), (3673, 7700), (3850, 7346)]