517597780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{7883}}^1$

素因数の和:7973

約数の個数: 72

約数和(自身を含む): 1283452128

約数和(自身を除く): 765854348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 469, 490, 670, 938, 980, 1340, 1876, 2345, 3283, 4690, 6566, 7883, 9380, 13132, 15766, 16415, 31532, 32830, 39415, 55181, 65660, 78830, 110362, 157660, 220724, 275905, 386267, 528161, 551810, 772534, 1056322, 1103620, 1545068, 1931335, 2112644, 2640805, 3697127, 3862670, 5281610, 7394254, 7725340, 10563220, 14788508, 18485635, 25879889, 36971270, 51759778, 73942540, 103519556, 129399445, 258798890, 517597780]

約数ペア:

[(1, 517597780), (2, 258798890), (4, 129399445), (5, 103519556), (7, 73942540), (10, 51759778), (14, 36971270), (20, 25879889), (28, 18485635), (35, 14788508), (49, 10563220), (67, 7725340), (70, 7394254), (98, 5281610), (134, 3862670), (140, 3697127), (196, 2640805), (245, 2112644), (268, 1931335), (335, 1545068), (469, 1103620), (490, 1056322), (670, 772534), (938, 551810), (980, 528161), (1340, 386267), (1876, 275905), (2345, 220724), (3283, 157660), (4690, 110362), (6566, 78830), (7883, 65660), (9380, 55181), (13132, 39415), (15766, 32830), (16415, 31532)]