420026015

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 528768000

約数和(自身を除く): 108741985

約数列:

[1, 5, 59, 67, 79, 269, 295, 335, 395, 1345, 3953, 4661, 5293, 15871, 18023, 19765, 21251, 23305, 26465, 79355, 90115, 106255, 312287, 1063357, 1253809, 1423817, 1561435, 5316785, 6269045, 7119085, 84005203, 420026015]

約数ペア:

[(1, 420026015), (5, 84005203), (59, 7119085), (67, 6269045), (79, 5316785), (269, 1561435), (295, 1423817), (335, 1253809), (395, 1063357), (1345, 312287), (3953, 106255), (4661, 90115), (5293, 79355), (15871, 26465), (18023, 23305), (19765, 21251)]