2912553140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2971993}}^1$

素因数の和:2972016

約数の個数: 36

約数和(自身を含む): 7114953636

約数和(自身を除く): 4202400496

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2971993, 5943986, 11887972, 14859965, 20803951, 29719930, 41607902, 59439860, 83215804, 104019755, 145627657, 208039510, 291255314, 416079020, 582510628, 728138285, 1456276570, 2912553140]

約数ペア:

[(1, 2912553140), (2, 1456276570), (4, 728138285), (5, 582510628), (7, 416079020), (10, 291255314), (14, 208039510), (20, 145627657), (28, 104019755), (35, 83215804), (49, 59439860), (70, 41607902), (98, 29719930), (140, 20803951), (196, 14859965), (245, 11887972), (490, 5943986), (980, 2971993)]