29881060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1913}}^1$

素因数の和:2004

約数の個数: 48

約数和(自身を含む): 69455232

約数和(自身を除く): 39574172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 1913, 3124, 3826, 3905, 7652, 7810, 9565, 15620, 19130, 21043, 38260, 42086, 84172, 105215, 135823, 210430, 271646, 420860, 543292, 679115, 1358230, 1494053, 2716460, 2988106, 5976212, 7470265, 14940530, 29881060]

約数ペア:

[(1, 29881060), (2, 14940530), (4, 7470265), (5, 5976212), (10, 2988106), (11, 2716460), (20, 1494053), (22, 1358230), (44, 679115), (55, 543292), (71, 420860), (110, 271646), (142, 210430), (220, 135823), (284, 105215), (355, 84172), (710, 42086), (781, 38260), (1420, 21043), (1562, 19130), (1913, 15620), (3124, 9565), (3826, 7810), (3905, 7652)]