1570305620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{194827}}^1$

素因数の和:194880

約数の個数: 48

約数和(自身を含む): 3665883648

約数和(自身を除く): 2095578028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 194827, 389654, 779308, 974135, 1948270, 2532751, 3896540, 5065502, 6039637, 10131004, 12079274, 12663755, 24158548, 25327510, 30198185, 50655020, 60396370, 78515281, 120792740, 157030562, 314061124, 392576405, 785152810, 1570305620]

約数ペア:

[(1, 1570305620), (2, 785152810), (4, 392576405), (5, 314061124), (10, 157030562), (13, 120792740), (20, 78515281), (26, 60396370), (31, 50655020), (52, 30198185), (62, 25327510), (65, 24158548), (124, 12663755), (130, 12079274), (155, 10131004), (260, 6039637), (310, 5065502), (403, 3896540), (620, 2532751), (806, 1948270), (1612, 974135), (2015, 779308), (4030, 389654), (8060, 194827)]