388180870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1621}}^1$

素因数の和:1957

約数の個数: 64

約数和(自身を含む): 874478592

約数和(自身を除く): 486297722

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 311, 385, 622, 770, 1555, 1621, 2177, 3110, 3242, 3421, 4354, 6842, 8105, 10885, 11347, 16210, 17105, 17831, 21770, 22694, 23947, 34210, 35662, 47894, 56735, 89155, 113470, 119735, 124817, 178310, 239470, 249634, 504131, 624085, 1008262, 1248170, 2520655, 3528917, 5041310, 5545441, 7057834, 11090882, 17644585, 27727205, 35289170, 38818087, 55454410, 77636174, 194090435, 388180870]

約数ペア:

[(1, 388180870), (2, 194090435), (5, 77636174), (7, 55454410), (10, 38818087), (11, 35289170), (14, 27727205), (22, 17644585), (35, 11090882), (55, 7057834), (70, 5545441), (77, 5041310), (110, 3528917), (154, 2520655), (311, 1248170), (385, 1008262), (622, 624085), (770, 504131), (1555, 249634), (1621, 239470), (2177, 178310), (3110, 124817), (3242, 119735), (3421, 113470), (4354, 89155), (6842, 56735), (8105, 47894), (10885, 35662), (11347, 34210), (16210, 23947), (17105, 22694), (17831, 21770)]