30980708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 61544448

約数和(自身を除く): 30563740

約数列:

[1, 2, 4, 11, 22, 44, 47, 71, 94, 142, 188, 211, 284, 422, 517, 781, 844, 1034, 1562, 2068, 2321, 3124, 3337, 4642, 6674, 9284, 9917, 13348, 14981, 19834, 29962, 36707, 39668, 59924, 73414, 109087, 146828, 164791, 218174, 329582, 436348, 659164, 704107, 1408214, 2816428, 7745177, 15490354, 30980708]

約数ペア:

[(1, 30980708), (2, 15490354), (4, 7745177), (11, 2816428), (22, 1408214), (44, 704107), (47, 659164), (71, 436348), (94, 329582), (142, 218174), (188, 164791), (211, 146828), (284, 109087), (422, 73414), (517, 59924), (781, 39668), (844, 36707), (1034, 29962), (1562, 19834), (2068, 14981), (2321, 13348), (3124, 9917), (3337, 9284), (4642, 6674)]