1304378820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{249881}}^1$

素因数の和:249925

約数の個数: 72

約数和(自身を含む): 4093067160

約数和(自身を除く): 2788688340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 249881, 499762, 749643, 999524, 1249405, 1499286, 2248929, 2498810, 2998572, 3748215, 4497858, 4997620, 7246549, 7496430, 8995716, 11244645, 14493098, 14992860, 21739647, 22489290, 28986196, 36232745, 43479294, 44978580, 65218941, 72465490, 86958588, 108698235, 130437882, 144930980, 217396470, 260875764, 326094705, 434792940, 652189410, 1304378820]

約数ペア:

[(1, 1304378820), (2, 652189410), (3, 434792940), (4, 326094705), (5, 260875764), (6, 217396470), (9, 144930980), (10, 130437882), (12, 108698235), (15, 86958588), (18, 72465490), (20, 65218941), (29, 44978580), (30, 43479294), (36, 36232745), (45, 28986196), (58, 22489290), (60, 21739647), (87, 14992860), (90, 14493098), (116, 11244645), (145, 8995716), (174, 7496430), (180, 7246549), (261, 4997620), (290, 4497858), (348, 3748215), (435, 2998572), (522, 2498810), (580, 2248929), (870, 1499286), (1044, 1249405), (1305, 999524), (1740, 749643), (2610, 499762), (5220, 249881)]