248690540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{18313}}^1$

素因数の和:18426

約数の個数: 48

約数和(自身を含む): 603043392

約数和(自身を除く): 354352852

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, 18313, 36626, 73252, 91565, 128191, 183130, 256382, 366260, 512764, 640955, 1281910, 1776361, 2563820, 3552722, 7105444, 8881805, 12434527, 17763610, 24869054, 35527220, 49738108, 62172635, 124345270, 248690540]

約数ペア:

[(1, 248690540), (2, 124345270), (4, 62172635), (5, 49738108), (7, 35527220), (10, 24869054), (14, 17763610), (20, 12434527), (28, 8881805), (35, 7105444), (70, 3552722), (97, 2563820), (140, 1776361), (194, 1281910), (388, 640955), (485, 512764), (679, 366260), (970, 256382), (1358, 183130), (1940, 128191), (2716, 91565), (3395, 73252), (6790, 36626), (13580, 18313)]