201801860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{881}}^2$

素因数の和:1784

約数の個数: 36

約数和(自身を含む): 456901284

約数和(自身を除く): 255099424

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 881, 1762, 3524, 4405, 8810, 11453, 17620, 22906, 45812, 57265, 114530, 229060, 776161, 1552322, 3104644, 3880805, 7761610, 10090093, 15523220, 20180186, 40360372, 50450465, 100900930, 201801860]

約数ペア:

[(1, 201801860), (2, 100900930), (4, 50450465), (5, 40360372), (10, 20180186), (13, 15523220), (20, 10090093), (26, 7761610), (52, 3880805), (65, 3104644), (130, 1552322), (260, 776161), (881, 229060), (1762, 114530), (3524, 57265), (4405, 45812), (8810, 22906), (11453, 17620)]