207976780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{945349}}^1$

素因数の和:945369

約数の個数: 24

約数和(自身を含む): 476456400

約数和(自身を除く): 268479620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 945349, 1890698, 3781396, 4726745, 9453490, 10398839, 18906980, 20797678, 41595356, 51994195, 103988390, 207976780]

約数ペア:

[(1, 207976780), (2, 103988390), (4, 51994195), (5, 41595356), (10, 20797678), (11, 18906980), (20, 10398839), (22, 9453490), (44, 4726745), (55, 3781396), (110, 1890698), (220, 945349)]