239620640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{213947}}^1$

素因数の和:213969

約数の個数: 48

約数和(自身を含む): 646978752

約数和(自身を除く): 407358112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 213947, 427894, 855788, 1069735, 1497629, 1711576, 2139470, 2995258, 3423152, 4278940, 5990516, 6846304, 7488145, 8557880, 11981032, 14976290, 17115760, 23962064, 29952580, 34231520, 47924128, 59905160, 119810320, 239620640]

約数ペア:

[(1, 239620640), (2, 119810320), (4, 59905160), (5, 47924128), (7, 34231520), (8, 29952580), (10, 23962064), (14, 17115760), (16, 14976290), (20, 11981032), (28, 8557880), (32, 7488145), (35, 6846304), (40, 5990516), (56, 4278940), (70, 3423152), (80, 2995258), (112, 2139470), (140, 1711576), (160, 1497629), (224, 1069735), (280, 855788), (560, 427894), (1120, 213947)]