420764890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{10753}}^1$

素因数の和:10823

約数の個数: 64

約数和(自身を含む): 953922816

約数和(自身を除く): 533157926

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 43, 65, 70, 86, 91, 130, 182, 215, 301, 430, 455, 559, 602, 910, 1118, 1505, 2795, 3010, 3913, 5590, 7826, 10753, 19565, 21506, 39130, 53765, 75271, 107530, 139789, 150542, 279578, 376355, 462379, 698945, 752710, 924758, 978523, 1397890, 1957046, 2311895, 3236653, 4623790, 4892615, 6010927, 6473306, 9785230, 12021854, 16183265, 30054635, 32366530, 42076489, 60109270, 84152978, 210382445, 420764890]

約数ペア:

[(1, 420764890), (2, 210382445), (5, 84152978), (7, 60109270), (10, 42076489), (13, 32366530), (14, 30054635), (26, 16183265), (35, 12021854), (43, 9785230), (65, 6473306), (70, 6010927), (86, 4892615), (91, 4623790), (130, 3236653), (182, 2311895), (215, 1957046), (301, 1397890), (430, 978523), (455, 924758), (559, 752710), (602, 698945), (910, 462379), (1118, 376355), (1505, 279578), (2795, 150542), (3010, 139789), (3913, 107530), (5590, 75271), (7826, 53765), (10753, 39130), (19565, 21506)]