61820290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{9923}}^1$

素因数の和:10026

約数の個数: 32

約数和(自身を含む): 128615040

約数和(自身を除く): 66794750

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 6230, 9923, 19846, 49615, 69461, 99230, 138922, 347305, 694610, 883147, 1766294, 4415735, 6182029, 8831470, 12364058, 30910145, 61820290]

約数ペア:

[(1, 61820290), (2, 30910145), (5, 12364058), (7, 8831470), (10, 6182029), (14, 4415735), (35, 1766294), (70, 883147), (89, 694610), (178, 347305), (445, 138922), (623, 99230), (890, 69461), (1246, 49615), (3115, 19846), (6230, 9923)]