210008125450

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{229}}^1\times {\mathrm{168269}}^1$

素因数の和:168619

約数の個数: 48

約数和(自身を含む): 395922483000

約数和(自身を除く): 185914357550

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 229, 458, 545, 1090, 1145, 2290, 2725, 5450, 5725, 11450, 24961, 49922, 124805, 168269, 249610, 336538, 624025, 841345, 1248050, 1682690, 4206725, 8413450, 18341321, 36682642, 38533601, 77067202, 91706605, 183413210, 192668005, 385336010, 458533025, 917066050, 963340025, 1926680050, 4200162509, 8400325018, 21000812545, 42001625090, 105004062725, 210008125450]

約数ペア:

[(1, 210008125450), (2, 105004062725), (5, 42001625090), (10, 21000812545), (25, 8400325018), (50, 4200162509), (109, 1926680050), (218, 963340025), (229, 917066050), (458, 458533025), (545, 385336010), (1090, 192668005), (1145, 183413210), (2290, 91706605), (2725, 77067202), (5450, 38533601), (5725, 36682642), (11450, 18341321), (24961, 8413450), (49922, 4206725), (124805, 1682690), (168269, 1248050), (249610, 841345), (336538, 624025)]