18069100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:415

約数の個数: 72

約数和(自身を含む): 45497088

約数和(自身を除く): 27427988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 83, 100, 140, 166, 175, 311, 332, 350, 415, 581, 622, 700, 830, 1162, 1244, 1555, 1660, 2075, 2177, 2324, 2905, 3110, 4150, 4354, 5810, 6220, 7775, 8300, 8708, 10885, 11620, 14525, 15550, 21770, 25813, 29050, 31100, 43540, 51626, 54425, 58100, 103252, 108850, 129065, 180691, 217700, 258130, 361382, 516260, 645325, 722764, 903455, 1290650, 1806910, 2581300, 3613820, 4517275, 9034550, 18069100]

約数ペア:

[(1, 18069100), (2, 9034550), (4, 4517275), (5, 3613820), (7, 2581300), (10, 1806910), (14, 1290650), (20, 903455), (25, 722764), (28, 645325), (35, 516260), (50, 361382), (70, 258130), (83, 217700), (100, 180691), (140, 129065), (166, 108850), (175, 103252), (311, 58100), (332, 54425), (350, 51626), (415, 43540), (581, 31100), (622, 29050), (700, 25813), (830, 21770), (1162, 15550), (1244, 14525), (1555, 11620), (1660, 10885), (2075, 8708), (2177, 8300), (2324, 7775), (2905, 6220), (3110, 5810), (4150, 4354)]