84494140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5171}}^1$

素因数の和:5242

約数の個数: 48

約数和(自身を含む): 191157120

約数和(自身を除く): 106662980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 5171, 8170, 10342, 16340, 20684, 25855, 51710, 98249, 103420, 196498, 222353, 392996, 444706, 491245, 889412, 982490, 1111765, 1964980, 2223530, 4224707, 4447060, 8449414, 16898828, 21123535, 42247070, 84494140]

約数ペア:

[(1, 84494140), (2, 42247070), (4, 21123535), (5, 16898828), (10, 8449414), (19, 4447060), (20, 4224707), (38, 2223530), (43, 1964980), (76, 1111765), (86, 982490), (95, 889412), (172, 491245), (190, 444706), (215, 392996), (380, 222353), (430, 196498), (817, 103420), (860, 98249), (1634, 51710), (3268, 25855), (4085, 20684), (5171, 16340), (8170, 10342)]