90131860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{49523}}^1$

素因数の和:49552

約数の個数: 48

約数和(自身を含む): 232960896

約数和(自身を除く): 142829036

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 49523, 99046, 198092, 247615, 346661, 495230, 643799, 693322, 990460, 1287598, 1386644, 1733305, 2575196, 3218995, 3466610, 4506593, 6437990, 6933220, 9013186, 12875980, 18026372, 22532965, 45065930, 90131860]

約数ペア:

[(1, 90131860), (2, 45065930), (4, 22532965), (5, 18026372), (7, 12875980), (10, 9013186), (13, 6933220), (14, 6437990), (20, 4506593), (26, 3466610), (28, 3218995), (35, 2575196), (52, 1733305), (65, 1386644), (70, 1287598), (91, 990460), (130, 693322), (140, 643799), (182, 495230), (260, 346661), (364, 247615), (455, 198092), (910, 99046), (1820, 49523)]