84442840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{111109}}^1$

素因数の和:111139

約数の個数: 32

約数和(自身を含む): 199998000

約数和(自身を除く): 115555160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 111109, 222218, 444436, 555545, 888872, 1111090, 2111071, 2222180, 4222142, 4444360, 8444284, 10555355, 16888568, 21110710, 42221420, 84442840]

約数ペア:

[(1, 84442840), (2, 42221420), (4, 21110710), (5, 16888568), (8, 10555355), (10, 8444284), (19, 4444360), (20, 4222142), (38, 2222180), (40, 2111071), (76, 1111090), (95, 888872), (152, 555545), (190, 444436), (380, 222218), (760, 111109)]