31308970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 71352576

約数和(自身を除く): 40043606

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 73, 77, 110, 146, 154, 365, 385, 511, 557, 730, 770, 803, 1022, 1114, 1606, 2555, 2785, 3899, 4015, 5110, 5570, 5621, 6127, 7798, 8030, 11242, 12254, 19495, 28105, 30635, 38990, 40661, 42889, 56210, 61270, 81322, 85778, 203305, 214445, 284627, 406610, 428890, 447271, 569254, 894542, 1423135, 2236355, 2846270, 3130897, 4472710, 6261794, 15654485, 31308970]

約数ペア:

[(1, 31308970), (2, 15654485), (5, 6261794), (7, 4472710), (10, 3130897), (11, 2846270), (14, 2236355), (22, 1423135), (35, 894542), (55, 569254), (70, 447271), (73, 428890), (77, 406610), (110, 284627), (146, 214445), (154, 203305), (365, 85778), (385, 81322), (511, 61270), (557, 56210), (730, 42889), (770, 40661), (803, 38990), (1022, 30635), (1114, 28105), (1606, 19495), (2555, 12254), (2785, 11242), (3899, 8030), (4015, 7798), (5110, 6127), (5570, 5621)]