198261440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47659}}^1$

素因数の和:47689

約数の個数: 56

約数和(自身を含む): 508436880

約数和(自身を除く): 310175440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 47659, 95318, 190636, 238295, 381272, 476590, 619567, 762544, 953180, 1239134, 1525088, 1906360, 2478268, 3050176, 3097835, 3812720, 4956536, 6195670, 7625440, 9913072, 12391340, 15250880, 19826144, 24782680, 39652288, 49565360, 99130720, 198261440]

約数ペア:

[(1, 198261440), (2, 99130720), (4, 49565360), (5, 39652288), (8, 24782680), (10, 19826144), (13, 15250880), (16, 12391340), (20, 9913072), (26, 7625440), (32, 6195670), (40, 4956536), (52, 3812720), (64, 3097835), (65, 3050176), (80, 2478268), (104, 1906360), (130, 1525088), (160, 1239134), (208, 953180), (260, 762544), (320, 619567), (416, 476590), (520, 381272), (832, 238295), (1040, 190636), (2080, 95318), (4160, 47659)]