137973560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{111269}}^1$

素因数の和:111311

約数の個数: 32

約数和(自身を含む): 320457600

約数和(自身を除く): 182484040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 111269, 222538, 445076, 556345, 890152, 1112690, 2225380, 3449339, 4450760, 6898678, 13797356, 17246695, 27594712, 34493390, 68986780, 137973560]

約数ペア:

[(1, 137973560), (2, 68986780), (4, 34493390), (5, 27594712), (8, 17246695), (10, 13797356), (20, 6898678), (31, 4450760), (40, 3449339), (62, 2225380), (124, 1112690), (155, 890152), (248, 556345), (310, 445076), (620, 222538), (1240, 111269)]