2019786020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{215329}}^1$

素因数の和:215412

約数の個数: 48

約数和(自身を含む): 4919859840

約数和(自身を除く): 2900073820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 215329, 430658, 861316, 1076645, 1507303, 2153290, 3014606, 4306580, 6029212, 7536515, 14427043, 15073030, 28854086, 30146060, 57708172, 72135215, 100989301, 144270430, 201978602, 288540860, 403957204, 504946505, 1009893010, 2019786020]

約数ペア:

[(1, 2019786020), (2, 1009893010), (4, 504946505), (5, 403957204), (7, 288540860), (10, 201978602), (14, 144270430), (20, 100989301), (28, 72135215), (35, 57708172), (67, 30146060), (70, 28854086), (134, 15073030), (140, 14427043), (268, 7536515), (335, 6029212), (469, 4306580), (670, 3014606), (938, 2153290), (1340, 1507303), (1876, 1076645), (2345, 861316), (4690, 430658), (9380, 215329)]