28284300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2857}}^1$

素因数の和:2888

約数の個数: 108

約数和(自身を含む): 96749016

約数和(自身を除く): 68464716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 132, 150, 165, 180, 198, 220, 225, 275, 300, 330, 396, 450, 495, 550, 660, 825, 900, 990, 1100, 1650, 1980, 2475, 2857, 3300, 4950, 5714, 8571, 9900, 11428, 14285, 17142, 25713, 28570, 31427, 34284, 42855, 51426, 57140, 62854, 71425, 85710, 94281, 102852, 125708, 128565, 142850, 157135, 171420, 188562, 214275, 257130, 282843, 285700, 314270, 377124, 428550, 471405, 514260, 565686, 628540, 642825, 785675, 857100, 942810, 1131372, 1285650, 1414215, 1571350, 1885620, 2357025, 2571300, 2828430, 3142700, 4714050, 5656860, 7071075, 9428100, 14142150, 28284300]

約数ペア:

[(1, 28284300), (2, 14142150), (3, 9428100), (4, 7071075), (5, 5656860), (6, 4714050), (9, 3142700), (10, 2828430), (11, 2571300), (12, 2357025), (15, 1885620), (18, 1571350), (20, 1414215), (22, 1285650), (25, 1131372), (30, 942810), (33, 857100), (36, 785675), (44, 642825), (45, 628540), (50, 565686), (55, 514260), (60, 471405), (66, 428550), (75, 377124), (90, 314270), (99, 285700), (100, 282843), (110, 257130), (132, 214275), (150, 188562), (165, 171420), (180, 157135), (198, 142850), (220, 128565), (225, 125708), (275, 102852), (300, 94281), (330, 85710), (396, 71425), (450, 62854), (495, 57140), (550, 51426), (660, 42855), (825, 34284), (900, 31427), (990, 28570), (1100, 25713), (1650, 17142), (1980, 14285), (2475, 11428), (2857, 9900), (3300, 8571), (4950, 5714)]