388440543350

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{640621}}^1$

素因数の和:640881

約数の個数: 48

約数和(自身を含む): 737335422096

約数和(自身を除く): 348894878746

約数列:

[1, 2, 5, 10, 25, 50, 67, 134, 181, 335, 362, 670, 905, 1675, 1810, 3350, 4525, 9050, 12127, 24254, 60635, 121270, 303175, 606350, 640621, 1281242, 3203105, 6406210, 16015525, 32031050, 42921607, 85843214, 115952401, 214608035, 231904802, 429216070, 579762005, 1073040175, 1159524010, 2146080350, 2898810025, 5797620050, 7768810867, 15537621734, 38844054335, 77688108670, 194220271675, 388440543350]

約数ペア:

[(1, 388440543350), (2, 194220271675), (5, 77688108670), (10, 38844054335), (25, 15537621734), (50, 7768810867), (67, 5797620050), (134, 2898810025), (181, 2146080350), (335, 1159524010), (362, 1073040175), (670, 579762005), (905, 429216070), (1675, 231904802), (1810, 214608035), (3350, 115952401), (4525, 85843214), (9050, 42921607), (12127, 32031050), (24254, 16015525), (60635, 6406210), (121270, 3203105), (303175, 1281242), (606350, 640621)]