28241400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{389}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 96478200

約数和(自身を除く): 68236800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 25, 30, 33, 40, 44, 50, 55, 60, 66, 75, 88, 100, 110, 120, 121, 132, 150, 165, 200, 220, 242, 264, 275, 300, 330, 363, 389, 440, 484, 550, 600, 605, 660, 726, 778, 825, 968, 1100, 1167, 1210, 1320, 1452, 1556, 1650, 1815, 1945, 2200, 2334, 2420, 2904, 3025, 3112, 3300, 3630, 3890, 4279, 4668, 4840, 5835, 6050, 6600, 7260, 7780, 8558, 9075, 9336, 9725, 11670, 12100, 12837, 14520, 15560, 17116, 18150, 19450, 21395, 23340, 24200, 25674, 29175, 34232, 36300, 38900, 42790, 46680, 47069, 51348, 58350, 64185, 72600, 77800, 85580, 94138, 102696, 106975, 116700, 128370, 141207, 171160, 188276, 213950, 233400, 235345, 256740, 282414, 320925, 376552, 427900, 470690, 513480, 564828, 641850, 706035, 855800, 941380, 1129656, 1176725, 1283700, 1412070, 1882760, 2353450, 2567400, 2824140, 3530175, 4706900, 5648280, 7060350, 9413800, 14120700, 28241400]

約数ペア:

[(1, 28241400), (2, 14120700), (3, 9413800), (4, 7060350), (5, 5648280), (6, 4706900), (8, 3530175), (10, 2824140), (11, 2567400), (12, 2353450), (15, 1882760), (20, 1412070), (22, 1283700), (24, 1176725), (25, 1129656), (30, 941380), (33, 855800), (40, 706035), (44, 641850), (50, 564828), (55, 513480), (60, 470690), (66, 427900), (75, 376552), (88, 320925), (100, 282414), (110, 256740), (120, 235345), (121, 233400), (132, 213950), (150, 188276), (165, 171160), (200, 141207), (220, 128370), (242, 116700), (264, 106975), (275, 102696), (300, 94138), (330, 85580), (363, 77800), (389, 72600), (440, 64185), (484, 58350), (550, 51348), (600, 47069), (605, 46680), (660, 42790), (726, 38900), (778, 36300), (825, 34232), (968, 29175), (1100, 25674), (1167, 24200), (1210, 23340), (1320, 21395), (1452, 19450), (1556, 18150), (1650, 17116), (1815, 15560), (1945, 14520), (2200, 12837), (2334, 12100), (2420, 11670), (2904, 9725), (3025, 9336), (3112, 9075), (3300, 8558), (3630, 7780), (3890, 7260), (4279, 6600), (4668, 6050), (4840, 5835)]