942618920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{2099}}^1$

素因数の和:2322

約数の個数: 64

約数和(自身を含む): 2162160000

約数和(自身を除く): 1219541080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 109, 206, 218, 412, 436, 515, 545, 824, 872, 1030, 1090, 2060, 2099, 2180, 4120, 4198, 4360, 8396, 10495, 11227, 16792, 20990, 22454, 41980, 44908, 56135, 83960, 89816, 112270, 216197, 224540, 228791, 432394, 449080, 457582, 864788, 915164, 1080985, 1143955, 1729576, 1830328, 2161970, 2287910, 4323940, 4575820, 8647880, 9151640, 23565473, 47130946, 94261892, 117827365, 188523784, 235654730, 471309460, 942618920]

約数ペア:

[(1, 942618920), (2, 471309460), (4, 235654730), (5, 188523784), (8, 117827365), (10, 94261892), (20, 47130946), (40, 23565473), (103, 9151640), (109, 8647880), (206, 4575820), (218, 4323940), (412, 2287910), (436, 2161970), (515, 1830328), (545, 1729576), (824, 1143955), (872, 1080985), (1030, 915164), (1090, 864788), (2060, 457582), (2099, 449080), (2180, 432394), (4120, 228791), (4198, 224540), (4360, 216197), (8396, 112270), (10495, 89816), (11227, 83960), (16792, 56135), (20990, 44908), (22454, 41980)]