518353780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{69859}}^1$

素因数の和:69928

約数の個数: 48

約数和(自身を含む): 1267539840

約数和(自身を除く): 749186060

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, 69859, 139718, 279436, 349295, 489013, 698590, 978026, 1397180, 1956052, 2445065, 3702527, 4890130, 7405054, 9780260, 14810108, 18512635, 25917689, 37025270, 51835378, 74050540, 103670756, 129588445, 259176890, 518353780]

約数ペア:

[(1, 518353780), (2, 259176890), (4, 129588445), (5, 103670756), (7, 74050540), (10, 51835378), (14, 37025270), (20, 25917689), (28, 18512635), (35, 14810108), (53, 9780260), (70, 7405054), (106, 4890130), (140, 3702527), (212, 2445065), (265, 1956052), (371, 1397180), (530, 978026), (742, 698590), (1060, 489013), (1484, 349295), (1855, 279436), (3710, 139718), (7420, 69859)]