2019752140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{335507}}^1$

素因数の和:335566

約数の個数: 48

約数和(自身を含む): 4960150272

約数和(自身を除く): 2940398132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 335507, 671014, 1342028, 1677535, 2348549, 3355070, 4697098, 6710140, 9394196, 11742745, 14426801, 23485490, 28853602, 46970980, 57707204, 72134005, 100987607, 144268010, 201975214, 288536020, 403950428, 504938035, 1009876070, 2019752140]

約数ペア:

[(1, 2019752140), (2, 1009876070), (4, 504938035), (5, 403950428), (7, 288536020), (10, 201975214), (14, 144268010), (20, 100987607), (28, 72134005), (35, 57707204), (43, 46970980), (70, 28853602), (86, 23485490), (140, 14426801), (172, 11742745), (215, 9394196), (301, 6710140), (430, 4697098), (602, 3355070), (860, 2348549), (1204, 1677535), (1505, 1342028), (3010, 671014), (6020, 335507)]