81579400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{58271}}^1$

素因数の和:58294

約数の個数: 48

約数和(自身を含む): 216771840

約数和(自身を除く): 135192440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 58271, 116542, 233084, 291355, 407897, 466168, 582710, 815794, 1165420, 1456775, 1631588, 2039485, 2330840, 2913550, 3263176, 4078970, 5827100, 8157940, 10197425, 11654200, 16315880, 20394850, 40789700, 81579400]

約数ペア:

[(1, 81579400), (2, 40789700), (4, 20394850), (5, 16315880), (7, 11654200), (8, 10197425), (10, 8157940), (14, 5827100), (20, 4078970), (25, 3263176), (28, 2913550), (35, 2330840), (40, 2039485), (50, 1631588), (56, 1456775), (70, 1165420), (100, 815794), (140, 582710), (175, 466168), (200, 407897), (280, 291355), (350, 233084), (700, 116542), (1400, 58271)]