28669300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 69058080

約数和(自身を除く): 40388780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 67, 100, 110, 134, 220, 268, 275, 335, 389, 550, 670, 737, 778, 1100, 1340, 1474, 1556, 1675, 1945, 2948, 3350, 3685, 3890, 4279, 6700, 7370, 7780, 8558, 9725, 14740, 17116, 18425, 19450, 21395, 26063, 36850, 38900, 42790, 52126, 73700, 85580, 104252, 106975, 130315, 213950, 260630, 286693, 427900, 521260, 573386, 651575, 1146772, 1303150, 1433465, 2606300, 2866930, 5733860, 7167325, 14334650, 28669300]

約数ペア:

[(1, 28669300), (2, 14334650), (4, 7167325), (5, 5733860), (10, 2866930), (11, 2606300), (20, 1433465), (22, 1303150), (25, 1146772), (44, 651575), (50, 573386), (55, 521260), (67, 427900), (100, 286693), (110, 260630), (134, 213950), (220, 130315), (268, 106975), (275, 104252), (335, 85580), (389, 73700), (550, 52126), (670, 42790), (737, 38900), (778, 36850), (1100, 26063), (1340, 21395), (1474, 19450), (1556, 18425), (1675, 17116), (1945, 14740), (2948, 9725), (3350, 8558), (3685, 7780), (3890, 7370), (4279, 6700)]