74534920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 172224000

約数和(自身を除く): 97689080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 103, 158, 206, 229, 316, 395, 412, 458, 515, 632, 790, 824, 916, 1030, 1145, 1580, 1832, 2060, 2290, 3160, 4120, 4580, 8137, 9160, 16274, 18091, 23587, 32548, 36182, 40685, 47174, 65096, 72364, 81370, 90455, 94348, 117935, 144728, 162740, 180910, 188696, 235870, 325480, 361820, 471740, 723640, 943480, 1863373, 3726746, 7453492, 9316865, 14906984, 18633730, 37267460, 74534920]

約数ペア:

[(1, 74534920), (2, 37267460), (4, 18633730), (5, 14906984), (8, 9316865), (10, 7453492), (20, 3726746), (40, 1863373), (79, 943480), (103, 723640), (158, 471740), (206, 361820), (229, 325480), (316, 235870), (395, 188696), (412, 180910), (458, 162740), (515, 144728), (632, 117935), (790, 94348), (824, 90455), (916, 81370), (1030, 72364), (1145, 65096), (1580, 47174), (1832, 40685), (2060, 36182), (2290, 32548), (3160, 23587), (4120, 18091), (4580, 16274), (8137, 9160)]