28710450

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:183

約数の個数: 144

約数和(自身を含む): 85307040

約数和(自身を除く): 56596590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 27, 30, 34, 45, 50, 51, 54, 75, 81, 85, 90, 102, 135, 139, 150, 153, 162, 170, 225, 243, 255, 270, 278, 306, 405, 417, 425, 450, 459, 486, 510, 675, 695, 765, 810, 834, 850, 918, 1215, 1251, 1275, 1350, 1377, 1390, 1530, 2025, 2085, 2295, 2363, 2430, 2502, 2550, 2754, 3475, 3753, 3825, 4050, 4131, 4170, 4590, 4726, 6075, 6255, 6885, 6950, 7089, 7506, 7650, 8262, 10425, 11259, 11475, 11815, 12150, 12510, 13770, 14178, 18765, 20655, 20850, 21267, 22518, 22950, 23630, 31275, 33777, 34425, 35445, 37530, 41310, 42534, 56295, 59075, 62550, 63801, 67554, 68850, 70890, 93825, 103275, 106335, 112590, 118150, 127602, 168885, 177225, 187650, 191403, 206550, 212670, 281475, 319005, 337770, 354450, 382806, 531675, 562950, 574209, 638010, 844425, 957015, 1063350, 1148418, 1595025, 1688850, 1914030, 2871045, 3190050, 4785075, 5742090, 9570150, 14355225, 28710450]

約数ペア:

[(1, 28710450), (2, 14355225), (3, 9570150), (5, 5742090), (6, 4785075), (9, 3190050), (10, 2871045), (15, 1914030), (17, 1688850), (18, 1595025), (25, 1148418), (27, 1063350), (30, 957015), (34, 844425), (45, 638010), (50, 574209), (51, 562950), (54, 531675), (75, 382806), (81, 354450), (85, 337770), (90, 319005), (102, 281475), (135, 212670), (139, 206550), (150, 191403), (153, 187650), (162, 177225), (170, 168885), (225, 127602), (243, 118150), (255, 112590), (270, 106335), (278, 103275), (306, 93825), (405, 70890), (417, 68850), (425, 67554), (450, 63801), (459, 62550), (486, 59075), (510, 56295), (675, 42534), (695, 41310), (765, 37530), (810, 35445), (834, 34425), (850, 33777), (918, 31275), (1215, 23630), (1251, 22950), (1275, 22518), (1350, 21267), (1377, 20850), (1390, 20655), (1530, 18765), (2025, 14178), (2085, 13770), (2295, 12510), (2363, 12150), (2430, 11815), (2502, 11475), (2550, 11259), (2754, 10425), (3475, 8262), (3753, 7650), (3825, 7506), (4050, 7089), (4131, 6950), (4170, 6885), (4590, 6255), (4726, 6075)]