231317940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{550757}}^1$

素因数の和:550776

約数の個数: 48

約数和(自身を含む): 740218752

約数和(自身を除く): 508900812

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 550757, 1101514, 1652271, 2203028, 2753785, 3304542, 3855299, 5507570, 6609084, 7710598, 8261355, 11015140, 11565897, 15421196, 16522710, 19276495, 23131794, 33045420, 38552990, 46263588, 57829485, 77105980, 115658970, 231317940]

約数ペア:

[(1, 231317940), (2, 115658970), (3, 77105980), (4, 57829485), (5, 46263588), (6, 38552990), (7, 33045420), (10, 23131794), (12, 19276495), (14, 16522710), (15, 15421196), (20, 11565897), (21, 11015140), (28, 8261355), (30, 7710598), (35, 6609084), (42, 5507570), (60, 3855299), (70, 3304542), (84, 2753785), (105, 2203028), (140, 1652271), (210, 1101514), (420, 550757)]