156042940

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1\times {\mathrm{359}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 333365760

約数和(自身を除く): 177322820

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 211, 359, 412, 422, 515, 718, 844, 1030, 1055, 1436, 1795, 2060, 2110, 3590, 4220, 7180, 21733, 36977, 43466, 73954, 75749, 86932, 108665, 147908, 151498, 184885, 217330, 302996, 369770, 378745, 434660, 739540, 757490, 1514980, 7802147, 15604294, 31208588, 39010735, 78021470, 156042940]

約数ペア:

[(1, 156042940), (2, 78021470), (4, 39010735), (5, 31208588), (10, 15604294), (20, 7802147), (103, 1514980), (206, 757490), (211, 739540), (359, 434660), (412, 378745), (422, 369770), (515, 302996), (718, 217330), (844, 184885), (1030, 151498), (1055, 147908), (1436, 108665), (1795, 86932), (2060, 75749), (2110, 73954), (3590, 43466), (4220, 36977), (7180, 21733)]