313655990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{23251}}^1$

素因数の和:23348

約数の個数: 32

約数和(自身を含む): 602691840

約数和(自身を除く): 289035850

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2698, 6745, 13490, 23251, 46502, 116255, 232510, 441769, 883538, 1650821, 2208845, 3301642, 4417690, 8254105, 16508210, 31365599, 62731198, 156827995, 313655990]

約数ペア:

[(1, 313655990), (2, 156827995), (5, 62731198), (10, 31365599), (19, 16508210), (38, 8254105), (71, 4417690), (95, 3301642), (142, 2208845), (190, 1650821), (355, 883538), (710, 441769), (1349, 232510), (2698, 116255), (6745, 46502), (13490, 23251)]