28421190

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:446

約数の個数: 96

約数和(自身を含む): 85250880

約数和(自身を除く): 56829690

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 197, 210, 229, 315, 394, 458, 591, 630, 687, 985, 1145, 1182, 1374, 1379, 1603, 1773, 1970, 2061, 2290, 2758, 2955, 3206, 3435, 3546, 4122, 4137, 4809, 5910, 6870, 6895, 8015, 8274, 8865, 9618, 10305, 12411, 13790, 14427, 16030, 17730, 20610, 20685, 24045, 24822, 28854, 41370, 45113, 48090, 62055, 72135, 90226, 124110, 135339, 144270, 225565, 270678, 315791, 406017, 451130, 631582, 676695, 812034, 947373, 1353390, 1578955, 1894746, 2030085, 2842119, 3157910, 4060170, 4736865, 5684238, 9473730, 14210595, 28421190]

約数ペア:

[(1, 28421190), (2, 14210595), (3, 9473730), (5, 5684238), (6, 4736865), (7, 4060170), (9, 3157910), (10, 2842119), (14, 2030085), (15, 1894746), (18, 1578955), (21, 1353390), (30, 947373), (35, 812034), (42, 676695), (45, 631582), (63, 451130), (70, 406017), (90, 315791), (105, 270678), (126, 225565), (197, 144270), (210, 135339), (229, 124110), (315, 90226), (394, 72135), (458, 62055), (591, 48090), (630, 45113), (687, 41370), (985, 28854), (1145, 24822), (1182, 24045), (1374, 20685), (1379, 20610), (1603, 17730), (1773, 16030), (1970, 14427), (2061, 13790), (2290, 12411), (2758, 10305), (2955, 9618), (3206, 8865), (3435, 8274), (3546, 8015), (4122, 6895), (4137, 6870), (4809, 5910)]