98980390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139409}}^1$

素因数の和:139487

約数の個数: 16

約数和(自身を含む): 180675360

約数和(自身を除く): 81694970

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 139409, 278818, 697045, 1394090, 9898039, 19796078, 49490195, 98980390]

約数ペア:

[(1, 98980390), (2, 49490195), (5, 19796078), (10, 9898039), (71, 1394090), (142, 697045), (355, 278818), (710, 139409)]