844901420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{54091}}^1$

素因数の和:54182

約数の個数: 48

約数和(自身を含む): 1962890496

約数和(自身を除く): 1117989076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 15620, 54091, 108182, 216364, 270455, 540910, 595001, 1081820, 1190002, 2380004, 2975005, 3840461, 5950010, 7680922, 11900020, 15361844, 19202305, 38404610, 42245071, 76809220, 84490142, 168980284, 211225355, 422450710, 844901420]

約数ペア:

[(1, 844901420), (2, 422450710), (4, 211225355), (5, 168980284), (10, 84490142), (11, 76809220), (20, 42245071), (22, 38404610), (44, 19202305), (55, 15361844), (71, 11900020), (110, 7680922), (142, 5950010), (220, 3840461), (284, 2975005), (355, 2380004), (710, 1190002), (781, 1081820), (1420, 595001), (1562, 540910), (3124, 270455), (3905, 216364), (7810, 108182), (15620, 54091)]