78401890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{30271}}^1$

素因数の和:30322

約数の個数: 32

約数和(自身を含む): 165648384

約数和(自身を除く): 87246494

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 30271, 60542, 151355, 211897, 302710, 423794, 1059485, 1120027, 2118970, 2240054, 5600135, 7840189, 11200270, 15680378, 39200945, 78401890]

約数ペア:

[(1, 78401890), (2, 39200945), (5, 15680378), (7, 11200270), (10, 7840189), (14, 5600135), (35, 2240054), (37, 2118970), (70, 1120027), (74, 1059485), (185, 423794), (259, 302710), (370, 211897), (518, 151355), (1295, 60542), (2590, 30271)]