201382220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1951}}^1$

素因数の和:2370

約数の個数: 48

約数和(自身を含む): 456814848

約数和(自身を除く): 255432628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 397, 794, 1588, 1951, 1985, 3902, 3970, 5161, 7804, 7940, 9755, 10322, 19510, 20644, 25363, 25805, 39020, 50726, 51610, 101452, 103220, 126815, 253630, 507260, 774547, 1549094, 3098188, 3872735, 7745470, 10069111, 15490940, 20138222, 40276444, 50345555, 100691110, 201382220]

約数ペア:

[(1, 201382220), (2, 100691110), (4, 50345555), (5, 40276444), (10, 20138222), (13, 15490940), (20, 10069111), (26, 7745470), (52, 3872735), (65, 3098188), (130, 1549094), (260, 774547), (397, 507260), (794, 253630), (1588, 126815), (1951, 103220), (1985, 101452), (3902, 51610), (3970, 50726), (5161, 39020), (7804, 25805), (7940, 25363), (9755, 20644), (10322, 19510)]