28178700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8539}}^1$

素因数の和:8567

約数の個数: 72

約数和(自身を含む): 88952640

約数和(自身を除く): 60773940

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, 8539, 17078, 25617, 34156, 42695, 51234, 85390, 93929, 102468, 128085, 170780, 187858, 213475, 256170, 281787, 375716, 426950, 469645, 512340, 563574, 640425, 853900, 939290, 1127148, 1280850, 1408935, 1878580, 2348225, 2561700, 2817870, 4696450, 5635740, 7044675, 9392900, 14089350, 28178700]

約数ペア:

[(1, 28178700), (2, 14089350), (3, 9392900), (4, 7044675), (5, 5635740), (6, 4696450), (10, 2817870), (11, 2561700), (12, 2348225), (15, 1878580), (20, 1408935), (22, 1280850), (25, 1127148), (30, 939290), (33, 853900), (44, 640425), (50, 563574), (55, 512340), (60, 469645), (66, 426950), (75, 375716), (100, 281787), (110, 256170), (132, 213475), (150, 187858), (165, 170780), (220, 128085), (275, 102468), (300, 93929), (330, 85390), (550, 51234), (660, 42695), (825, 34156), (1100, 25617), (1650, 17078), (3300, 8539)]