47377940

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 101861760

約数和(自身を除く): 54483820

約数列:

[1, 2, 4, 5, 10, 20, 103, 109, 206, 211, 218, 412, 422, 436, 515, 545, 844, 1030, 1055, 1090, 2060, 2110, 2180, 4220, 11227, 21733, 22454, 22999, 43466, 44908, 45998, 56135, 86932, 91996, 108665, 112270, 114995, 217330, 224540, 229990, 434660, 459980, 2368897, 4737794, 9475588, 11844485, 23688970, 47377940]

約数ペア:

[(1, 47377940), (2, 23688970), (4, 11844485), (5, 9475588), (10, 4737794), (20, 2368897), (103, 459980), (109, 434660), (206, 229990), (211, 224540), (218, 217330), (412, 114995), (422, 112270), (436, 108665), (515, 91996), (545, 86932), (844, 56135), (1030, 45998), (1055, 44908), (1090, 43466), (2060, 22999), (2110, 22454), (2180, 21733), (4220, 11227)]