4889060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 11394432

約数和(自身を除く): 6505372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 313, 355, 626, 710, 781, 1252, 1420, 1562, 1565, 3124, 3130, 3443, 3905, 6260, 6886, 7810, 13772, 15620, 17215, 22223, 34430, 44446, 68860, 88892, 111115, 222230, 244453, 444460, 488906, 977812, 1222265, 2444530, 4889060]

約数ペア:

[(1, 4889060), (2, 2444530), (4, 1222265), (5, 977812), (10, 488906), (11, 444460), (20, 244453), (22, 222230), (44, 111115), (55, 88892), (71, 68860), (110, 44446), (142, 34430), (220, 22223), (284, 17215), (313, 15620), (355, 13772), (626, 7810), (710, 6886), (781, 6260), (1252, 3905), (1420, 3443), (1562, 3130), (1565, 3124)]