123931490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 247587840

約数和(自身を除く): 123656350

約数列:

[1, 2, 5, 10, 19, 31, 38, 53, 62, 95, 106, 155, 190, 265, 310, 397, 530, 589, 794, 1007, 1178, 1643, 1985, 2014, 2945, 3286, 3970, 5035, 5890, 7543, 8215, 10070, 12307, 15086, 16430, 21041, 24614, 31217, 37715, 42082, 61535, 62434, 75430, 105205, 123070, 156085, 210410, 233833, 312170, 399779, 467666, 652271, 799558, 1169165, 1304542, 1998895, 2338330, 3261355, 3997790, 6522710, 12393149, 24786298, 61965745, 123931490]

約数ペア:

[(1, 123931490), (2, 61965745), (5, 24786298), (10, 12393149), (19, 6522710), (31, 3997790), (38, 3261355), (53, 2338330), (62, 1998895), (95, 1304542), (106, 1169165), (155, 799558), (190, 652271), (265, 467666), (310, 399779), (397, 312170), (530, 233833), (589, 210410), (794, 156085), (1007, 123070), (1178, 105205), (1643, 75430), (1985, 62434), (2014, 61535), (2945, 42082), (3286, 37715), (3970, 31217), (5035, 24614), (5890, 21041), (7543, 16430), (8215, 15086), (10070, 12307)]