749846440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{72379}}^1$

素因数の和:72434

約数の個数: 64

約数和(自身を含む): 1980316800

約数和(自身を除く): 1230470360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 72379, 144758, 289516, 361895, 506653, 579032, 723790, 1013306, 1447580, 2026612, 2533265, 2678023, 2895160, 4053224, 5066530, 5356046, 10133060, 10712092, 13390115, 18746161, 20266120, 21424184, 26780230, 37492322, 53560460, 74984644, 93730805, 107120920, 149969288, 187461610, 374923220, 749846440]

約数ペア:

[(1, 749846440), (2, 374923220), (4, 187461610), (5, 149969288), (7, 107120920), (8, 93730805), (10, 74984644), (14, 53560460), (20, 37492322), (28, 26780230), (35, 21424184), (37, 20266120), (40, 18746161), (56, 13390115), (70, 10712092), (74, 10133060), (140, 5356046), (148, 5066530), (185, 4053224), (259, 2895160), (280, 2678023), (296, 2533265), (370, 2026612), (518, 1447580), (740, 1013306), (1036, 723790), (1295, 579032), (1480, 506653), (2072, 361895), (2590, 289516), (5180, 144758), (10360, 72379)]