1618532020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{218131}}^1$

素因数の和:218200

約数の個数: 48

約数和(自身を含む): 3957787008

約数和(自身を除く): 2339254988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 218131, 436262, 872524, 1090655, 1526917, 2181310, 3053834, 4362620, 6107668, 7634585, 11560943, 15269170, 23121886, 30538340, 46243772, 57804715, 80926601, 115609430, 161853202, 231218860, 323706404, 404633005, 809266010, 1618532020]

約数ペア:

[(1, 1618532020), (2, 809266010), (4, 404633005), (5, 323706404), (7, 231218860), (10, 161853202), (14, 115609430), (20, 80926601), (28, 57804715), (35, 46243772), (53, 30538340), (70, 23121886), (106, 15269170), (140, 11560943), (212, 7634585), (265, 6107668), (371, 4362620), (530, 3053834), (742, 2181310), (1060, 1526917), (1484, 1090655), (1855, 872524), (3710, 436262), (7420, 218131)]