155225140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{158393}}^1$

素因数の和:158416

約数の個数: 36

約数和(自身を含む): 379195236

約数和(自身を除く): 223970096

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 158393, 316786, 633572, 791965, 1108751, 1583930, 2217502, 3167860, 4435004, 5543755, 7761257, 11087510, 15522514, 22175020, 31045028, 38806285, 77612570, 155225140]

約数ペア:

[(1, 155225140), (2, 77612570), (4, 38806285), (5, 31045028), (7, 22175020), (10, 15522514), (14, 11087510), (20, 7761257), (28, 5543755), (35, 4435004), (49, 3167860), (70, 2217502), (98, 1583930), (140, 1108751), (196, 791965), (245, 633572), (490, 316786), (980, 158393)]