290207890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{592261}}^1$

素因数の和:592282

約数の個数: 24

約数和(自身を含む): 607660812

約数和(自身を除く): 317452922

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 592261, 1184522, 2961305, 4145827, 5922610, 8291654, 20729135, 29020789, 41458270, 58041578, 145103945, 290207890]

約数ペア:

[(1, 290207890), (2, 145103945), (5, 58041578), (7, 41458270), (10, 29020789), (14, 20729135), (35, 8291654), (49, 5922610), (70, 4145827), (98, 2961305), (245, 1184522), (490, 592261)]