740523280

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{26987}}^1$

素因数の和:27021

約数の個数: 80

約数和(自身を含む): 2007907200

約数和(自身を除く): 1267383920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5488, 6860, 13720, 26987, 27440, 53974, 107948, 134935, 188909, 215896, 269870, 377818, 431792, 539740, 755636, 944545, 1079480, 1322363, 1511272, 1889090, 2158960, 2644726, 3022544, 3778180, 5289452, 6611815, 7556360, 9256541, 10578904, 13223630, 15112720, 18513082, 21157808, 26447260, 37026164, 46282705, 52894520, 74052328, 92565410, 105789040, 148104656, 185130820, 370261640, 740523280]

約数ペア:

[(1, 740523280), (2, 370261640), (4, 185130820), (5, 148104656), (7, 105789040), (8, 92565410), (10, 74052328), (14, 52894520), (16, 46282705), (20, 37026164), (28, 26447260), (35, 21157808), (40, 18513082), (49, 15112720), (56, 13223630), (70, 10578904), (80, 9256541), (98, 7556360), (112, 6611815), (140, 5289452), (196, 3778180), (245, 3022544), (280, 2644726), (343, 2158960), (392, 1889090), (490, 1511272), (560, 1322363), (686, 1079480), (784, 944545), (980, 755636), (1372, 539740), (1715, 431792), (1960, 377818), (2744, 269870), (3430, 215896), (3920, 188909), (5488, 134935), (6860, 107948), (13720, 53974), (26987, 27440)]