78385790

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{22853}}^1$

素因数の和:22881

約数の個数: 32

約数和(自身を含む): 164548800

約数和(自身を除く): 86163010

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 22853, 45706, 114265, 159971, 228530, 319942, 799855, 1119797, 1599710, 2239594, 5598985, 7838579, 11197970, 15677158, 39192895, 78385790]

約数ペア:

[(1, 78385790), (2, 39192895), (5, 15677158), (7, 11197970), (10, 7838579), (14, 5598985), (35, 2239594), (49, 1599710), (70, 1119797), (98, 799855), (245, 319942), (343, 228530), (490, 159971), (686, 114265), (1715, 45706), (3430, 22853)]