210949380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{390647}}^1$

素因数の和:390665

約数の個数: 48

約数和(自身を含む): 656288640

約数和(自身を除く): 445339260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 390647, 781294, 1171941, 1562588, 1953235, 2343882, 3515823, 3906470, 4687764, 5859705, 7031646, 7812940, 10547469, 11719410, 14063292, 17579115, 21094938, 23438820, 35158230, 42189876, 52737345, 70316460, 105474690, 210949380]

約数ペア:

[(1, 210949380), (2, 105474690), (3, 70316460), (4, 52737345), (5, 42189876), (6, 35158230), (9, 23438820), (10, 21094938), (12, 17579115), (15, 14063292), (18, 11719410), (20, 10547469), (27, 7812940), (30, 7031646), (36, 5859705), (45, 4687764), (54, 3906470), (60, 3515823), (90, 2343882), (108, 1953235), (135, 1562588), (180, 1171941), (270, 781294), (540, 390647)]