28125900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{947}}^1$

素因数の和:981

約数の個数: 144

約数和(自身を含む): 98743680

約数和(自身を除く): 70617780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 27, 30, 33, 36, 44, 45, 50, 54, 55, 60, 66, 75, 90, 99, 100, 108, 110, 132, 135, 150, 165, 180, 198, 220, 225, 270, 275, 297, 300, 330, 396, 450, 495, 540, 550, 594, 660, 675, 825, 900, 947, 990, 1100, 1188, 1350, 1485, 1650, 1894, 1980, 2475, 2700, 2841, 2970, 3300, 3788, 4735, 4950, 5682, 5940, 7425, 8523, 9470, 9900, 10417, 11364, 14205, 14850, 17046, 18940, 20834, 23675, 25569, 28410, 29700, 31251, 34092, 41668, 42615, 47350, 51138, 52085, 56820, 62502, 71025, 85230, 93753, 94700, 102276, 104170, 125004, 127845, 142050, 156255, 170460, 187506, 208340, 213075, 255690, 260425, 281259, 284100, 312510, 375012, 426150, 468765, 511380, 520850, 562518, 625020, 639225, 781275, 852300, 937530, 1041700, 1125036, 1278450, 1406295, 1562550, 1875060, 2343825, 2556900, 2812590, 3125100, 4687650, 5625180, 7031475, 9375300, 14062950, 28125900]

約数ペア:

[(1, 28125900), (2, 14062950), (3, 9375300), (4, 7031475), (5, 5625180), (6, 4687650), (9, 3125100), (10, 2812590), (11, 2556900), (12, 2343825), (15, 1875060), (18, 1562550), (20, 1406295), (22, 1278450), (25, 1125036), (27, 1041700), (30, 937530), (33, 852300), (36, 781275), (44, 639225), (45, 625020), (50, 562518), (54, 520850), (55, 511380), (60, 468765), (66, 426150), (75, 375012), (90, 312510), (99, 284100), (100, 281259), (108, 260425), (110, 255690), (132, 213075), (135, 208340), (150, 187506), (165, 170460), (180, 156255), (198, 142050), (220, 127845), (225, 125004), (270, 104170), (275, 102276), (297, 94700), (300, 93753), (330, 85230), (396, 71025), (450, 62502), (495, 56820), (540, 52085), (550, 51138), (594, 47350), (660, 42615), (675, 41668), (825, 34092), (900, 31251), (947, 29700), (990, 28410), (1100, 25569), (1188, 23675), (1350, 20834), (1485, 18940), (1650, 17046), (1894, 14850), (1980, 14205), (2475, 11364), (2700, 10417), (2841, 9900), (2970, 9470), (3300, 8523), (3788, 7425), (4735, 5940), (4950, 5682)]