30978235

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 39508560

約数和(自身を除く): 8530325

約数列:

[1, 5, 29, 53, 139, 145, 265, 695, 841, 1537, 4031, 4205, 7367, 7685, 20155, 36835, 44573, 116899, 213643, 222865, 584495, 1068215, 6195647, 30978235]

約数ペア:

[(1, 30978235), (5, 6195647), (29, 1068215), (53, 584495), (139, 222865), (145, 213643), (265, 116899), (695, 44573), (841, 36835), (1537, 20155), (4031, 7685), (4205, 7367)]