28172100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8537}}^1$

素因数の和:8565

約数の個数: 72

約数和(自身を含む): 88931808

約数和(自身を除く): 60759708

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 132, 150, 165, 220, 275, 300, 330, 550, 660, 825, 1100, 1650, 3300, 8537, 17074, 25611, 34148, 42685, 51222, 85370, 93907, 102444, 128055, 170740, 187814, 213425, 256110, 281721, 375628, 426850, 469535, 512220, 563442, 640275, 853700, 939070, 1126884, 1280550, 1408605, 1878140, 2347675, 2561100, 2817210, 4695350, 5634420, 7043025, 9390700, 14086050, 28172100]

約数ペア:

[(1, 28172100), (2, 14086050), (3, 9390700), (4, 7043025), (5, 5634420), (6, 4695350), (10, 2817210), (11, 2561100), (12, 2347675), (15, 1878140), (20, 1408605), (22, 1280550), (25, 1126884), (30, 939070), (33, 853700), (44, 640275), (50, 563442), (55, 512220), (60, 469535), (66, 426850), (75, 375628), (100, 281721), (110, 256110), (132, 213425), (150, 187814), (165, 170740), (220, 128055), (275, 102444), (300, 93907), (330, 85370), (550, 51222), (660, 42685), (825, 34148), (1100, 25611), (1650, 17074), (3300, 8537)]