2017802420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{258031}}^1$

素因数の和:258080

約数の個数: 48

約数和(自身を含む): 4681732608

約数和(自身を除く): 2663930188

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 258031, 516062, 1032124, 1290155, 2580310, 4386527, 5160620, 5934713, 8773054, 11869426, 17546108, 21932635, 23738852, 29673565, 43865270, 59347130, 87730540, 100890121, 118694260, 201780242, 403560484, 504450605, 1008901210, 2017802420]

約数ペア:

[(1, 2017802420), (2, 1008901210), (4, 504450605), (5, 403560484), (10, 201780242), (17, 118694260), (20, 100890121), (23, 87730540), (34, 59347130), (46, 43865270), (68, 29673565), (85, 23738852), (92, 21932635), (115, 17546108), (170, 11869426), (230, 8773054), (340, 5934713), (391, 5160620), (460, 4386527), (782, 2580310), (1564, 1290155), (1955, 1032124), (3910, 516062), (7820, 258031)]