61302920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31277}}^1$

素因数の和:31302

約数の個数: 48

約数和(自身を含む): 160456140

約数和(自身を除く): 99153220

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 31277, 62554, 125108, 156385, 218939, 250216, 312770, 437878, 625540, 875756, 1094695, 1251080, 1532573, 1751512, 2189390, 3065146, 4378780, 6130292, 7662865, 8757560, 12260584, 15325730, 30651460, 61302920]

約数ペア:

[(1, 61302920), (2, 30651460), (4, 15325730), (5, 12260584), (7, 8757560), (8, 7662865), (10, 6130292), (14, 4378780), (20, 3065146), (28, 2189390), (35, 1751512), (40, 1532573), (49, 1251080), (56, 1094695), (70, 875756), (98, 625540), (140, 437878), (196, 312770), (245, 250216), (280, 218939), (392, 156385), (490, 125108), (980, 62554), (1960, 31277)]