31102060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1297}}^1$

素因数の和:1426

約数の個数: 48

約数和(自身を含む): 71961120

約数和(自身を除く): 40859060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 1297, 2180, 2398, 2594, 4796, 5188, 5995, 6485, 11990, 12970, 14267, 23980, 25940, 28534, 57068, 71335, 141373, 142670, 282746, 285340, 565492, 706865, 1413730, 1555103, 2827460, 3110206, 6220412, 7775515, 15551030, 31102060]

約数ペア:

[(1, 31102060), (2, 15551030), (4, 7775515), (5, 6220412), (10, 3110206), (11, 2827460), (20, 1555103), (22, 1413730), (44, 706865), (55, 565492), (109, 285340), (110, 282746), (218, 142670), (220, 141373), (436, 71335), (545, 57068), (1090, 28534), (1199, 25940), (1297, 23980), (2180, 14267), (2398, 12970), (2594, 11990), (4796, 6485), (5188, 5995)]