201921020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{14869}}^1$

素因数の和:14982

約数の個数: 48

約数和(自身を含む): 489639360

約数和(自身を除く): 287718340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 6790, 13580, 14869, 29738, 59476, 74345, 104083, 148690, 208166, 297380, 416332, 520415, 1040830, 1442293, 2081660, 2884586, 5769172, 7211465, 10096051, 14422930, 20192102, 28845860, 40384204, 50480255, 100960510, 201921020]

約数ペア:

[(1, 201921020), (2, 100960510), (4, 50480255), (5, 40384204), (7, 28845860), (10, 20192102), (14, 14422930), (20, 10096051), (28, 7211465), (35, 5769172), (70, 2884586), (97, 2081660), (140, 1442293), (194, 1040830), (388, 520415), (485, 416332), (679, 297380), (970, 208166), (1358, 148690), (1940, 104083), (2716, 74345), (3395, 59476), (6790, 29738), (13580, 14869)]