1953140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1993}}^1$

素因数の和:2016

約数の個数: 36

約数和(自身を含む): 4773636

約数和(自身を除く): 2820496

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1993, 3986, 7972, 9965, 13951, 19930, 27902, 39860, 55804, 69755, 97657, 139510, 195314, 279020, 390628, 488285, 976570, 1953140]

約数ペア:

[(1, 1953140), (2, 976570), (4, 488285), (5, 390628), (7, 279020), (10, 195314), (14, 139510), (20, 97657), (28, 69755), (35, 55804), (49, 39860), (70, 27902), (98, 19930), (140, 13951), (196, 9965), (245, 7972), (490, 3986), (980, 1993)]