128676850

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 246787776

約数和(自身を除く): 118110926

約数列:

[1, 2, 5, 10, 25, 50, 67, 71, 134, 142, 335, 355, 541, 670, 710, 1082, 1675, 1775, 2705, 3350, 3550, 4757, 5410, 9514, 13525, 23785, 27050, 36247, 38411, 47570, 72494, 76822, 118925, 181235, 192055, 237850, 362470, 384110, 906175, 960275, 1812350, 1920550, 2573537, 5147074, 12867685, 25735370, 64338425, 128676850]

約数ペア:

[(1, 128676850), (2, 64338425), (5, 25735370), (10, 12867685), (25, 5147074), (50, 2573537), (67, 1920550), (71, 1812350), (134, 960275), (142, 906175), (335, 384110), (355, 362470), (541, 237850), (670, 192055), (710, 181235), (1082, 118925), (1675, 76822), (1775, 72494), (2705, 47570), (3350, 38411), (3550, 36247), (4757, 27050), (5410, 23785), (9514, 13525)]