720888944

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{5087}}^1$

素因数の和:5633

約数の個数: 40

約数和(自身を含む): 1482012288

約数和(自身を除く): 761123344

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 521, 1042, 2084, 4168, 5087, 8336, 8857, 10174, 17714, 20348, 35428, 40696, 70856, 81392, 86479, 141712, 172958, 345916, 691832, 1383664, 2650327, 5300654, 10601308, 21202616, 42405232, 45055559, 90111118, 180222236, 360444472, 720888944]

約数ペア:

[(1, 720888944), (2, 360444472), (4, 180222236), (8, 90111118), (16, 45055559), (17, 42405232), (34, 21202616), (68, 10601308), (136, 5300654), (272, 2650327), (521, 1383664), (1042, 691832), (2084, 345916), (4168, 172958), (5087, 141712), (8336, 86479), (8857, 81392), (10174, 70856), (17714, 40696), (20348, 35428)]