289643590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1\times {\mathrm{1511}}^1$

素因数の和:2208

約数の個数: 32

約数和(自身を含む): 540509760

約数和(自身を除く): 250866170

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 661, 1322, 1511, 3022, 3305, 6610, 7555, 15110, 19169, 38338, 43819, 87638, 95845, 191690, 219095, 438190, 998771, 1997542, 4993855, 9987710, 28964359, 57928718, 144821795, 289643590]

約数ペア:

[(1, 289643590), (2, 144821795), (5, 57928718), (10, 28964359), (29, 9987710), (58, 4993855), (145, 1997542), (290, 998771), (661, 438190), (1322, 219095), (1511, 191690), (3022, 95845), (3305, 87638), (6610, 43819), (7555, 38338), (15110, 19169)]