38138660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{38917}}^1$

素因数の和:38940

約数の個数: 36

約数和(自身を含む): 93169692

約数和(自身を除く): 55031032

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 38917, 77834, 155668, 194585, 272419, 389170, 544838, 778340, 1089676, 1362095, 1906933, 2724190, 3813866, 5448380, 7627732, 9534665, 19069330, 38138660]

約数ペア:

[(1, 38138660), (2, 19069330), (4, 9534665), (5, 7627732), (7, 5448380), (10, 3813866), (14, 2724190), (20, 1906933), (28, 1362095), (35, 1089676), (49, 778340), (70, 544838), (98, 389170), (140, 272419), (196, 194585), (245, 155668), (490, 77834), (980, 38917)]