28277550

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:263

約数の個数: 144

約数和(自身を含む): 89137152

約数和(自身を除く): 60859602

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 47, 50, 63, 70, 75, 90, 94, 105, 126, 141, 150, 175, 191, 210, 225, 235, 282, 315, 329, 350, 382, 423, 450, 470, 525, 573, 630, 658, 705, 846, 955, 987, 1050, 1146, 1175, 1337, 1410, 1575, 1645, 1719, 1910, 1974, 2115, 2350, 2674, 2865, 2961, 3150, 3290, 3438, 3525, 4011, 4230, 4775, 4935, 5730, 5922, 6685, 7050, 8022, 8225, 8595, 8977, 9550, 9870, 10575, 12033, 13370, 14325, 14805, 16450, 17190, 17954, 20055, 21150, 24066, 24675, 26931, 28650, 29610, 33425, 40110, 42975, 44885, 49350, 53862, 60165, 62839, 66850, 74025, 80793, 85950, 89770, 100275, 120330, 125678, 134655, 148050, 161586, 188517, 200550, 224425, 269310, 300825, 314195, 377034, 403965, 448850, 565551, 601650, 628390, 673275, 807930, 942585, 1131102, 1346550, 1570975, 1885170, 2019825, 2827755, 3141950, 4039650, 4712925, 5655510, 9425850, 14138775, 28277550]

約数ペア:

[(1, 28277550), (2, 14138775), (3, 9425850), (5, 5655510), (6, 4712925), (7, 4039650), (9, 3141950), (10, 2827755), (14, 2019825), (15, 1885170), (18, 1570975), (21, 1346550), (25, 1131102), (30, 942585), (35, 807930), (42, 673275), (45, 628390), (47, 601650), (50, 565551), (63, 448850), (70, 403965), (75, 377034), (90, 314195), (94, 300825), (105, 269310), (126, 224425), (141, 200550), (150, 188517), (175, 161586), (191, 148050), (210, 134655), (225, 125678), (235, 120330), (282, 100275), (315, 89770), (329, 85950), (350, 80793), (382, 74025), (423, 66850), (450, 62839), (470, 60165), (525, 53862), (573, 49350), (630, 44885), (658, 42975), (705, 40110), (846, 33425), (955, 29610), (987, 28650), (1050, 26931), (1146, 24675), (1175, 24066), (1337, 21150), (1410, 20055), (1575, 17954), (1645, 17190), (1719, 16450), (1910, 14805), (1974, 14325), (2115, 13370), (2350, 12033), (2674, 10575), (2865, 9870), (2961, 9550), (3150, 8977), (3290, 8595), (3438, 8225), (3525, 8022), (4011, 7050), (4230, 6685), (4775, 5922), (4935, 5730)]